问题
选择题
__ has been mentioned above, continued chairman after he took a sip of coffee, ____ the project must be carried out before spring flood comes.
A．As; that
B．That; which
C．This; which
D．It; that
答案
答案：A
A“__ has been mentioned above”是定语从句，而“____ the project must be carried out before spring flood comes.”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.