She was so angry at ( )he was doing ( )she walked out without saying a word .
问题描述:
She was so angry at ( )he was doing ( )she walked out without saying a word .
A:what that
B:that what
C:that that
D:what what
答
A:what that
(what)he was doingwhat接从句
so ...that...如此.以致于.