— When did Tom come to Qingdao？— It was in July and he a trip in China with his paren

问题补充：

— When did Tom come to Qingdao？

— It was in July， and he a trip in China with his parents at that

time.

A. would take

B. had taken

C. was taking

D. had been taking

答案：

A. would take

B. had taken

(答案→)C. was taking

D. had been taking

解析：考查动词的时态。根据句子，指的是过去时间，且at that time是进行时态的时间状语，所以表过去那个时候正在发生的事，要用过去进行时态。选C。

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