I was too busy at that time I would have given you a hand.A. even thoughB. soC. otherwis

问题补充：

I was too busy at that time, I would have given you a hand.

A. even though

B. so

C. otherwise

D. nevertheless

答案：

A. even though

B. so

(答案→)C. otherwise

D. nevertheless

解析：考查状语从句。句意为“我那时太忙了，要不然的话我就会帮你的忙了。”otherwise意为“要不然”；even though 表示“即使”、“尽管”... ；so“因此”，表示结果；therefore表因果关系。