单选题   Para. 1 ①From her apartment at the foot of the celebrated zigzags of Lombard Street, Judith Calson has twice peered out her window as thieves smashed their way into cars and snatched whatever they could. ②She has seen foreign tourists cry after cash and passports were stolen. ③She shudders when she recounts the story of the Thai tourist who was shot because he resisted thieves taking his camera.
    Para. 2 'I never thought of this area as a high-crime neighborhood,' Ms. Calson, a retired photographer, said of this leafy part of the city, where tourists flock to view the steeply sloped, crooked street adorned with flower beds.
    Para. 3 ①San Francisco, America's boom town, is flooded with the cash of well-paid technology workers and record numbers of tourists. ②At the same time, the city has seen a sharp jump in property crime, up more than 60 percent since 2010, though the actual increase may be higher because many of the crimes go unreported.
    Para. 4 ①Recent data from the F.B.I. show that San Francisco has the highest per-capita property crime rate of the nation's top 50 cities. ②About half the cases here are thefts from vehicles, smash-and-grabs that scatter glittering broken glass onto the sidewalks.
    Para. 5 The city, known for a political tradition of empathy for the downtrodden, is now divided over whether to respond with more muscular law enforcement or stick to its forgiving attitudes.
    Para. 6 ①The Chamber of Commerce and the tourist board are calling for harsher measures to improve what is euphemistically called the 'condition of the streets,' a term that encompasses the intractable homeless problem, public intravenous drug use, the large population of mentally ill people on the streets and aggressive panhandling. ②The chamber recently released the results of an opinion poll that showed that homelessness and 'street behavior' were the primary concerns of residents here.
    Para. 7 The divided opinions on how to handle the problems are evident among members of the Board of Supervisors.
    Para. 8 ①Scott Wiener, a supervisor and an advocate for more aggressive law enforcement, said his constituents were urging him to act. ②'I can't tell you the number of times where I have received emails from moms saying, 'My kids just asked me why that man has a syringe sticking out of his arm,'' he said.
    Para. 9 On the other side is David Campos, a supervisor who opposes the increase in police officers and describes Mr. Wiener's views as 'a very knee-jerk kind of punitive approach that is ineffective and inconsistent with the values of San Francisco.'
    Para. 10 'We are not going to criminalize people for being poor,' he said. 'That criminalization is only going to make it harder for them to get out of poverty.'
    Para. 11 San Francisco's liberal ethos, Mr. Campos said, was changing as the city focused more on business and the needs of the tech industry.
    Para. 12 ①'I think there has been a shift in the people who have come to San Francisco,' Mr. Campos said of the city's new arrivals, a group that is well educated and well heeled. ②He deplores what he describes as a growing 'sink-or-swim' free-market ideology that stands in contrast to the city's traditions.
    Para. 13 'I don't know which San Francisco will prevail,' he said.