A、CH3-CH-CH2-CH2-CH3
丨
CH3
B、CH3-CH2-CH-CH3
丨
CH2-CH3
C、CH3-CH-CH-CH3
丨 丨
CH3CH3
D、 CH3
丨
CH3-C-CH2-CH2-CH3
丨
CH3
选C,这楼主要不给满意,我就哭了,这么费劲打这玩意
A、CH3-CH-CH2-CH2-CH3
丨
CH3
B、CH3-CH2-CH-CH3
丨
CH2-CH3
C、CH3-CH-CH-CH3
丨 丨
CH3CH3
D、 CH3
丨
CH3-C-CH2-CH2-CH3
丨
CH3
选C,这楼主要不给满意,我就哭了,这么费劲打这玩意