In an aromatic ring, a functional group with lone pair of electron exerts +M effect, some fnuctional groups like, `-NO,-NC-CH=CH_(2)` etc., can function both as electron donating (+M) or electron withdrawing (-M) groups. More extended conjugation provide more stabilization.
The most stable resonating structure of compound is

Options

A.
B.
C.
D.

Answer

D

Explanation

All atoms have complete octet structure.