There is a common belief among them rubbish can and should be put to good use .A. which B.

问题补充：

There is a common belief among them rubbish can and should be put to good use .

A. which

B. if

C. whose

D. that

答案：

A. which

B. if

C. whose

(答案→)D. that

解析：D “rubbish can and should be put to good use .”是a common belief的同位语从句，从句中意思完整,结构完整。