—You must have met him the other day. —Oh no I . A. hadn’tB. mustn’tC. haven’tD. didn’t

问题补充：

—You must have met him the other day. —Oh, no, I .

A. hadn’t

B. mustn’t

C. haven’t

D. didn’t

答案：

A. hadn’t

B. mustn’t

C. haven’t

D. didn’t

解析：问句是对过去情况的猜测，所以答句用一般过去时。I didn’t是I didn’t meet him the other day. 的省略。