问题
选择题
A week-long raining is coming, _________, the farmers say, will do harm to the growth of plants.
A．it
B．that
C．what
D．which
答案
答案：D
考查非限制性定语从句。the farmers say作插入语，which指前半句话的含义。句意：长达一周的下雨即将到来，农民们说，这将对作物的成长有害。所以选D。