题目内容
Helen was much kinder to her youngest son than to the others, ________, of course, made the others envy him.
A. who
B. that
C. what
D. which
答案:D
解析:
解析:
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题目内容
Helen was much kinder to her youngest son than to the others, ________, of course, made the others envy him.
A. who
B. that
C. what
D. which