问题
选择题
Mary was much kinder to Jack than she was to the others, _______, of course, made all the others upset.[ ]
A. who
B. which
C. what
D. that
答案
答案：B
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Mary was much kinder to Jack than she was to the others, _______, of course, made all the others upset.[ ]
A. who
B. which
C. what
D. that
答案：B
