–More than 13.7 million Americans were unable to find work in July.
--Yeah, most jobs for months.
A. are seeking
B. sought
C. have been seeking
D. had been seeking
网友回答
A. are seeking
B. sought
C. have been seeking
(答案→)D. had been seeking
解析：上文意思是超过1370万美国人在七月找不到工作。下文意思是是的，大多数人应经找了好几个月的工作。这里应该使用过去完成进行时，故选D。