Recently quite a lot of experts have suggested that another law on wildlife protection as

问题补充：

Recently quite a lot of experts have suggested that another law on wildlife protection as soon as possible．

A. must be passed

B. be passed

C. was passed

D. being passed

答案：

A. must be passed

(答案→)B. be passed

C. was passed

D. being passed

解析：考查虚拟语气。suggest 建议，后跟从句时用虚拟语气（should ）do 结构，所以选B，句意：最近许多专家建议关于野生保护的另一条法律应该尽快通过。