`CH_(3) overset(CH_(3))overset(|)underset(CH_(3))underset(|)(C) -Br overset(" KOH (alcoholic) ")underset(Delta)(to) (A) overset(HBr//R_(2)O_(2))(to) underset(("major"))((B))`
(B) is
A. `CH_(3) -overset(CH_(3))overset(|)underset(H)underset(|)(C )-CH_(2) -Br`
B. `CH_(3)-overset(CH_(3))overset(|)underset(Br)underset(|)(C ) -CH_(3)`
C. CH_(3) -overset(CH_(3))overset(|)underset(CH_(2))underset(|)(C) -OH`
D. `CH_(3)-overset(CH_(2) -H)overset(|)underset(CH_(3))underset(|)(C) - Br`
