问题
选择题
The doctors did what they could_______ those w-ho were injured in the terrible accident.
A．save
B．to save
C．saved
D．saving
答案
答案：B
题目分析：句意：这些医生们尽他们全力，去救治在这次可怕事故中受伤的人们。分析：what they could 做动词do 的宾语，而后面救治是做的目的，表示目的用动词不定式的形式。故选B