单选题 The streets of the Dual Springs neighborhood, a migrant-worker hub in northern Beijing, are ______ . That's no surprise; more than 13,000 people have been quarantined in China's capital to halt the insidious spread of severe acute respiratory syndrome (SARS).
A. deserted B. vacated C. unlived in D. removed

【正确答案】 A
【答案解析】