In the given reactions:
(i) `CH_3Broverset("Na,ether")(to)Xunderset("hv")overset(Br_2)toYoverset("Na,ether")toZ`
(ii) `CH_3COOHoverset("NaOH")(to)Xunderset("CaO")overset(NaOH)toYunderset("hv")overset(Br_2)toZ`
identify X,Y and Z.
A. `{:(X,Y,Z),((i)CH_4,CH_3Br,CH_3CH_3),((ii)CH_3COONa,CH_3CH_3,CH_3CH_2Br):}`
B. `{:(X,Y,Z),((i)CH_3CH_3,CH_4,CH_3Br),((ii)CH_3COONa,CH_4,CH_3CH_2CH_3):}`
C. `{:(X,Y,Z),((i)CH_3CH_2Br,CH_3CH_3,CH_3CH_2CH_3),((ii)CH_3COONa,CH_4,CH_3Br):}`
D. `{:(X,Y,Z),((i)CH_3CH_3,CH_3CH_2Br,CH_3CH_2CH_2CH_3),((ii)CH_3COONa,CH_4,CH_3Br):}`