`H_3C-undersetunderset(CH_3)|CH-overset+CH=CH_2+HBr to A`
A (Predominantly ) is
A. `CH_3-undersetunderset(Br)|CH-undersetunderset(CH_3)|CH-CH_3`
B. `CH_3-undersetunderset(CH_3)|CH-undersetunderset(Br)|CH-CH_3`
C. `CH_3-undersetunderset(CH_3)(|)CH-CH_2-CH_2Br`
D. `CH_3-undersetunderset(CH_3)(|)oversetoverset(Br)(|)C-CH_2CH_3`
