Peter must be ill.It's the only thing that can his strange behavior.
A. lie in
B. result from
C. account for
D. explain about
网友回答
A. lie in
B. result from
(答案→)C. account for
D. explain about
解析：本题考查动词短语辨析。句意：彼得一定病了，这是唯一能解释他诡异行动的原因。account for意为“说明……的原因”。lie in“在于”；result from“起因于”，其后跟原因，与句意不符；explain为及物动词，其后不加介词about。