has been mentioned above, continued chairman after he took a sip of coffee, the project must be carried out before spring flood es.
A. As; that
B. That; which
C. This; which
D. It; that
网友回答
(答案→)A. As; that
B. That; which
C. This; which
D. It; that
解析：A“ has been mentioned above”是定语从句，而“ the project must be carried out before spring flood es.”是动词continued的宾语从句，宾语从句中句意和结构都完整，故选that，结合第一个空，得答案A.