In those hard days, we could not leave behind came to us for help.
A. who
B. whomever
C. no matter who
D. whoever
网友回答
A. who
B. whomever
C. no matter who
(答案→)D. whoever
解析：考查名词性从句。whoever引导宾语从句作leave behind的宾语，并且其在宾语从句中作主语，指人。在那些艰苦的日子里，我们实在不能不帮助那些向我们求助的人。