Select and write the most appropriate answer from the given alternatives for each sub-question :
Identify A and B respectively in the following reaction :
tert-butyl alcohol `underset((363 K))overset(20%H_(2)SO_(4))rarr A+H_(2)O underset((H_(2)O_(2)))overset(HBr)rarr B`
A. 2-methylpropene, 1-bromo-2-methylpropane
B. 2-methylpropene, 2-bromo-2-methylpropane
C. 2-methylpropane, 1-bromo-2-methylpropane
D. 2-methylpropane, 2-bromo-2-methylpropane