An organic amine (X) was treated with alcoholic potast and another compound (Y), a foul smelling gas ws formed with formula `C_(6)H_(5)NC,(Y)` was formed by reacting a compound (Z) with `Cl_(2)` in the presence of slaked lime. The compound (Z) is:
A. `C_(6)H_(5)NH_(2)`
B. `C_(2)H_(2)OH`
C. `C_(2)H_(2)OH`
D. `CHCl_(3)`