【正确答案】
A
【答案解析】[听力原文] Florida is the state where Americans and immigrants choose most to settle, shows the latest research. Population continues to move from north to south in America. Florida is expected to add five million new residents by 2030, according to the state's Office of Economic and Demographic Research. While Florida is growing, the states of Illinois, Ohio and Michigan have lost the largest numbers of residents. In 2014, Florida's population grew by over 108,000 people. The largest group packing their bags for the 'Sunshine State' are young people right out of college. 'Young people generally move more for education or for a job,' said Stefan Rayer, a population specialist at the University of Florida. 'Florida is very attractive. It has big metropolitan areas. It has good job opportunities. That's why people are moving to Florida.' The state's economy is staying healthy due to the population movement. Latino and Asian immigrants are adding $150 billion worth of purchases each year. How many new residents are expected to live in Florida by 2030? 新闻中明确提到，据预测，到2030年该州将会多出500万新居民，可知届时预计会有500万新居民，故本题选A。