问题补充：
------ He should have been warned of the danger.
------, but he wouldn’t listen to me.
A. So he was
B. So was he
C. So should he
D. So he should
答案：
(答案→)A. So he was
B. So was he
C. So should he
D. So he should
解析：should have done 本应该做某事，而实际上没有做，指的是过去，句意：他本应该被警告有危险的。他的确被警告了，但是他不听我的话。所以选A。
