What would be the main product when propene reacts with `HBr` is presence of benzoyl peroxide ?
A. `(CH_(3)-underset(Br)underset(|)overset(H)overset(|)(C )-underset(H)underset(|)overset(H)overset(|)(C )-H`
B. `(CH_(3)-underset(H)underset(|)overset(H)overset(|)(C )-underset(Br)underset(|)overset(H)overset(|)(C )-H`
C. Both `(a)` and `(b)`
D. `Br-CH_(2)-CH=CH_(2)`