-----Who helped with the job ?
-----Nobody , They did it by .
A. them, them
B. them, themselves
C. themselves, them
D. themselves, themselves
网友回答
A. them, them
(答案→)B. them, themselves
C. themselves, them
D. themselves, themselves
解析：此题考查人称代词的基本用法。Help是动词后跟人称代词时要用宾格；do it by oneself表示独立完成某件事情。