A : Styrene on reaction with HBr gives 2-bromo-2-phenylethane
R :Benzyl radical is more stable than alkyl radicals
(A) If both A and R are true and R is the Correct explanation of A
(B) If both A and R are true but R is not the Correct explanation of A
(C) If A is true but R is false
(D) If both A and R are false
(E) If A is false but R is true