Identify (Z) in the series.
`C_(3)H_(7)OH underset(443K)overset("conc."H_(2)SO_(4))(rarr)(X)overset(Br_(2))(rarr)(Y) underset("alc. KOH")overset("Excess of ")(rarr)(Z)`
A. `CH_(3)-underset(NH_(2))underset(|)(C)H-underset(NH_(2))underset(|)(C)H_(2)`
B. `CH_(3)-underset(OH)underset(|)(C)H-underset(OH)underset(|)(C)H_(2)`
C. `CH_(3)-C-=CH`
D. `CH_(3)-underset(OH)underset(|)(C)=CH_(2)`