Question

—Shall I tell John about it？

—No, you _______.I've told him already.

A．needn't  B．wouldn't  C．mustn't  D．shouldn't

Answer 1

A

解析:

情态动词shall在试题中表示征询对方意见或请求指示。答句暗示 “没有必要了”，故本题选A。