Identify A, B and D in the following reaction :
(A) [A] = CH3 CHO, [B] = CH3 CI, [D] = CH3 CH2 NH2
(B) [A] = CH3 CH2 OH, [B] = CH3 CH2 CI, [D] = CH3 CH2 CH2 NH2
(C) [A] = CH3 CH2 CH2 OH, [B] = CH3 CH2 CH2 CI, [D] = CH3 CH2 CH2 CH2 NH2
(D) [A] = CH3 CHO, [B] = CH3 CH2 CI, [D] = CH3 CH2 CH2 NH2
