The chief engineer stated______ he believed it was necessary to study the proposals for several more months before making a decision. A．what B．who C．that D．which
A. A．what B．who C．that D．which
【参考答案】
C 本题考查连词的用法，此处需要连接宾语从句的连词，从句中不缺少成分，所以用that而不用what。题意为，首席......