In the following reactions,
(a) `H_(3)C-overset(CH_(3))overset("| ")(CH)-underset(" "OH )underset(|)(CH)-CH_(3)overset(H^(+)//heat)rarr underset("product")underset("Major")(A) + underset("product")underset("Minor")(B)`
(b) `A overset(HBr,dark)underset("in absence of peroxide")rarr underset("product")underset("Major")(C)+underset("product")underset("Minor")(D)`
The major products (A) and (C) are respectively:

Answer

b