—You didn’t come to school yesterday did you?— though I was very busy.A. Yes I did B. No

问题补充：

—You didn’t come to school yesterday, did you?

—, though I was very busy.

A. Yes,I did

B. No, I didn’t

C. Yes, I didn’t

D. No, I did

答案：

(答案→)A. Yes,I did

B. No, I didn’t

C. Yes, I didn’t

D. No, I did

解析：考查情景交际。“你昨天没上学，是吗？”“尽管我很忙。”根据答语可知，尽管很忙但还是去上学了。C、D前后矛盾；排除C、D。A“不，我去了。”；B“是的，我没去。”故选A。