50. How do most of the respondents in the survey feel about the U.S. real-estate market in 2015?
- A. Pessimistic.
- B. Hopeful.
- C. Cautious.
- D. Uncertain.
答案：B
答案句：Seventy-four percent of the respondents surveyed report a “good to excellent” expectation of real-estate profitability in 2015. While excessive optimism can promote bad investment patterns, resulting in a real- estate “bubble,” the report's writers downplay that potential outcome in that it has not yet occurred.
参考译文：74%的受访者报告对2015年房地产盈利能力的预期为“良好到极好”。虽然过度乐观可能助长不良投资模式，导致房地产“泡沫”，但报告作者淡化了这种潜在结果，因为它尚未发生。
定位线索：题干“How do most of the respondents in the survey feel”→答案句提到“Seventy-four percent of the respondents surveyed report a 'good to excellent' expectation”；文中“good to excellent”对应选项B“Hopeful”（充满希望）。
解析：题干问调查中大多数受访者对2015年美国房地产市场的感受，答案句指出74%的受访者预期“良好到极好”，即持乐观态度，对应选项B“Hopeful”。选项A“悲观”、C“谨慎”、D“不确定”与原文明确数据不符，属于偷换概念。