On heating an aliphatic primary amine with chlooroform and ethanolic potassium hydroxide, the organic compound formed is:

Question

$\begin{array}{1 1}(A)\;\text{an alkyl cyanide}\\(B)\;\text{an alkyl isocyanide}\\(C)\;\text{an alkanol}\\(D)\;\text{an alkanediol}\end{array} $