-Many species are now in danger of dying out.----True.Measures should beto protect them

问题补充：

---Many species are now in danger of dying out.

----True.Measures should beto protect them right now.

A. taken

B. made

C. acted

D. carried

答案：

(答案→)A. taken

B. made

C. acted

D. carried

解析：本题的含义是许多物种现在正濒临危险逐步消失，所以现在我们应该采取措施来保护它们，采取措施可以用take表示采取，本题回答语是被动句，故本题选A。