---Excuse me. You shouldn’t smoke here. Look at the sign “NO SMOKING HERE”.
--Sorry, I it just now.
A. doesn’t see
B. haven’t seen
C. didn’t see
D. hadn’t seen
网友回答
A. doesn’t see
B. haven’t seen
(答案→)C. didn’t see
D. hadn’t seen
解析：考查时态，由后面的时间状语just now，可以确定是一般过去式，句子意思“对不起，我刚才没有看见”，所以选C