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。