题目下列烯烃最稳定的是()。A. CH2=CH2B. CH3CH=CH2C. CH3CH=CHCH3D. CH3CH=C(CH3)2下列烯烃最稳定的是()。A. CH2=CH2B. CH3CH=CH2C. CH3CH=CHCH3D. CH3CH=C(CH3)2题目解答答案D. CH3CH=C(CH3)2