问题补充:
单选题Jacktookpartinthespeechcontestand,______ismoresurprising,wonthefirstplace.A.thatB.whatC.whichD.it
答案:
C解析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。