Question

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

Answer 1

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。