问题
单项选择题
—I thought you wouldn't mind.
—Well, as a matter of fact, I don't, but you （）me first.
A．should ask
B．should have asked
C．must ask
D．must have asked
答案
参考答案：B
解析：
should后接动词完成式表示“本来应该做某事，结果未做”，此处含有责备之意。故选B。