问题
选择题
Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy.
A．who
B．which
C．this
D．what
答案
答案：B
B。of course 为插入语，若将项其去掉，则答案显然是B。
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Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy.
A．who
B．which
C．this
D．what
答案：B
B。of course 为插入语，若将项其去掉，则答案显然是B。
