An organic compound (A) on reduction gives compound (B).(B) On treatement with $CHCl_3$ alcoholic potash gives (C) (C) on catalytic reduction gives N-methyl aniline.The compound A is

Question

$\begin {array} {1 1} (A)\;Methylamine & \quad (B)\;Nitromethane \\ (C)\;Aniline & \quad (D)\;Nitrobenzene \end {array}$