In the following sequence of reactions, what are suitable for (A) and (B) when (D) is 1 - phenyl propan - 1 - one.
(A) A = C6 H5 C = N, B = CH3 CH2 MgBr
(B) A = C6 H5 CONH2 , B = CH3 CH2 MgBr
(C) A = CH3CH2 C = N, B = C6 H5 MgBr
(D) both (a) and (c)
