单项选择题

下面有两组物质属互变异构现象,请找出?()

A.CH3CH=CHCH3与CH2=CHCH2CH3
B.CH3CH2CH2OH与CH3CH2OCH3
C.CH3COCH2CH2OCH3与CH3CH2COOCH2CH3
D.CH2=CHOH与CH3CHO