I really don't know ___ when I hot the news .A.w

问题描述:

I really don't know ___ when I hot the news .A.w
I really don't know ___ when I hot the news .
A.what to say
B.what to say it
C.how to say
D.how to say it
这里填的是宾语从句吗,哪后面的又是什么

应该选A把,后面的是时间状语,翻译应该是当我看到新闻的时候,我真的不知道该说什么