Reaction of one molecule of HBr with one molecule of 1,3-butadiene at `40^(@)`C gives predominantly.
A. 3-bromobutene under kinetically controlled conditions
B. 1-bromo-2-butene under thermodynamically controlled conditions
C. 3-bromobutene under thermodynamically controlled conditions.
D. 1-bromo-2-butene under kinetically controlled conditions