The two brothers look so much alike that it is difficult to .
A. tell them from
B. tell from them
C. tell them apart
D. tell apart them
网友回答
A. tell them from
B. tell from them
(答案→)C. tell them apart
D. tell apart them
解析：把两者区别开来，应用tell apart;把一者同另外一者区别开来用tell from,排除A、B两项。在由“动词+副词”构成的词组中，代词要放在动词之后，副词之前。