题目内容：

关于need的提问（选择题）
What a gift you've brought me! You are so kind, but you _______ so.
A. shouldn't do
B. needn't do
C. couldn't have done
D. needn't have done
答案是D 我选了B
请亲分析下 谢谢

优质解答

首先解释下这句话的意思：你带来给我的礼物真的很棒!你真的很贴心,你本不需要送的.事实上他已经送了礼物,不需要这句话就是虚拟的,.虚拟语气就是假设的.虚拟语气就有种形式sould have done|could have done|ought have done |……所以选择符合含义的B选项.即使按照淘汰法,也先就淘汰前两个选项.