Which of the following reaciton can be used to make ethyl isocynide?
A. `CH_(3)CH_(2)NH_(2)+CHCL_(3) underset(triangle)overset("KOH")rarr`
B. `CH_(3)CH_(2)Br+AgCN rarr`
C. `CH_(3)CH_(2)-NH-underset(O)underset(||)(C)-H overset(POCl_(3))rarr`
D. `CH_(3)CH_(2)Br +KCN rarr`
