I just wonder that upsets him so much.A. what it isB. what he doesC. how it isD. why it do

发布时间：2020-08-16 20:58:53

I just wonder     that upsets him so much.
A. what it is
B. what he does
C. how it is
D. why it does

网友回答

(答案→)A. what it is
B. what he does
C. how it is
D. why it does
解析：考查名词性从句。根据wonder可知该句为宾语从句。从句中包含了it is that的强调句，宾语从句中缺少upset的主语，故选择A
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