One way to species under threat of extinction is to remove them to zoos and parks and fee

问题补充：

One way to species under threat of extinction is to remove them to zoos and parks and feed them there.

A. reserve

B. prevent

C. preserve

D. reduce

答案：

A. reserve

B. prevent

(答案→)C. preserve

D. reduce

解析：本题考查动词辨析。句意：保护濒危的动物的方法其一就是把它们迁移到动物园和公园，在那儿喂养它们。preserve保存,保藏；保护。