Question

英语单选

I just don't understand _______ that prevents so many Americans from being as happy as one might expect.
A.why it does B.what it does C.what it is D.why it is

Answer 1

I just don't understand _what it is_that prevents so many Americans from being as happy as one might expect.
本题是宾语从句中的强调句使用。可以将原句恢复：“It is what that prevents so many Americans…”但是英语中疑问代词或副词需放句首。

此句的意思：
我只是弄不懂到底是什么让如此多的美国人不象人们想象的那样高兴。

Answer 2

C是强调句型，调整语序就是I just don't understand it is what that prevents so many Americans from being as happy as one might expect.我就是不能理解到底是什么阻碍了这么多的美国人像人们所期待的那样快乐。

Answer 3

选择A答案