问题
选择题
— When did Tom come to Qingdao？
— It was in July，2006 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
答案：C
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。
.