. Some animals are in danger and the scientists are doing they can them.A. that; to sav

问题补充：

. Some animals are in danger, and the scientists are doing they can them.

A. that; to save

B. whatever; to save

C. what; save

D. the thing; save

答案：

A. that; to save

(答案→)B. whatever; to save

C. what; save

D. the thing; save

解析：考查名词性从句及目的状语从句。句中whatever引导宾语从句，在从句中作宾语；不定式to savethem.表示目的性。句意：一些动物处于危险中，科学家尽他们所能拯救他们。