My last job lacked variety; I the same things all the time.A. didB. have doneC. was doing

问题补充：

My last job lacked variety; I the same things all the time.

A. did

B. have done

C. was doing

D. have been doing

答案：

A. did

B. have done

(答案→)C. was doing

D. have been doing

解析：

试题分析:考查动词时态。根据last job 判断句子应该用过去时态，而all the time则强调动作的持续性，所以C选项正确。句意：我以前的工作缺少变化，我总是一直在做着相同的事。