I don't know_____next.I am really nervous.A.how to do B.how to do it C.what to do D.what to do it

I don't know_____next.I am really nervous.A.how to do B.how to do it C.what to do D.what to do it
I don't know_____next.I am really nervous.
A.how to do B.how to do it C.what to do D.what to do it

I don't know_____next.I am really nervous.A.how to do B.how to do it C.what to do D.what to do it
答案： C
翻译： 我不知道下一步该做什么. 我的确很紧张
解析： how 如何,怎么样； what 什么； what to do 后面不能再跟it

what to do
(一般来说是how to do it 和what to do 这两个搭配，这里用what to do)

由题意判断，我不知道接下来做什么。我是真的很着急。所以答案选C