—I felt it very difficult to carry on the work all by myself. —I could have helped you, but you ____

题目简介

—I felt it very difficult to carry on the work all by myself.
—I could have helped you, but you _____me to.

A．hadn’t asked

B．didn’t ask

C．haven’t asked

D．don’t ask

题型：单选题难度：中档来源：不详

这题考查时态的用法：因为I could have helped you,是“过去本可以帮你（却没帮），后面的你没有叫我，是过去的事实。用过去时，选B。