—Why didn’t you put your cellphone in your overcoat pocket?
—I , but I was afraid it would be stolen.
A. had put
B. put
C. would have
D. could have
网友回答
A. had put
B. put
(答案→)C. would have
D. could have
解析：由语义环境可知，答话人本来想把手机放在大衣口袋里，但害怕被偷，所以未放。would have done表示本想做某事，但未做。故选C。