Arrange the following resonating structures in order of increasing stability
`underset((I))(CH_(2)=overset(+)(N)=overset(-)(N))" "underset((II))(H_(2)overset(+)(C)=N=overset(-)(N))" "underset((III))(H_(2)overset(-)(C)-overset(+)(N) equiv N)" "underset((IV))(H_(2) overset(-)(C)-N=overset(+)(N))`
A. `(I) gt (II) gt (IV) gt (III)`
B. `(I) gt (III) gt (II) gt (IV) `
C. `(II) gt (I) gt (III) gt (IV)`
D. `(III) gt (I) gt (IV) gt (II)`