A huge amount of environmental damage has been by the destruction of the rainforests.A. b

问题补充：

A huge amount of environmental damage has been by the destruction of the rainforests.

A. brought up

B. brought about

C. brought down

D. brought out

答案：

A. brought up

(答案→)B. brought about

C. brought down

D. brought out

解析：A.提出，抚养 B.引起 C.降低，打倒 D.出版。根据句意：由于雨林的毁坏，大量的环境问题发生了。故选B