问题
选择题
Jack took part in the speech contest and, ______ is more surprising, won the first place.
A．that
B．what
C．which
D．it
答案
答案：C
这题考查非限制性定语从句，非限制性定语从句也是插入语，去掉后这句话是：Jack took part in the speech contest and won the first place.是个完整的句子，which指代的是won the first place.选C。