The experiment turned out to be a plete failure, wasn’t they expected．
A. as ; beyond
B. as; that
C. which; what
D. that; more than
网友回答
A. as ; beyond
B. as; that
(答案→)C. which; what
D. that; more than
解析：本题考查定语从句及名词性从句。which指代前面的一件事，后面考查表语从句，从句中缺少宾语，故用what，选C。