They urged that measures immediately to protect the endangered animals.A. should takeB. m

问题补充：

They urged that measures immediately to protect the endangered animals.

A. should take

B. must be taken

C. would take

D. be taken

答案：

A. should take

B. must be taken

C. would take

(答案→)D. be taken

解析：考查虚拟语气。动词urge敦促，从句用should + V原形，measures与take之间为被动关系，故选D。