The meeting was put off was exactly we wanted.A. it；thatB. as；thatC. which；whatD. this；

问题补充：

The meeting was put off, was exactly we wanted.

A. it；that

B. as；that

C. which；what

D. this；what

答案：

A. it；that

B. as；that

(答案→)C. which；what

D. this；what

解析：由于这里是逗号,所以是定语从句,所以选C；如果改为分号,答案为D.