问题
选择题
. 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
答案：B
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 save them.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。