In which of the following first resonating structure is more stable than the second ?
A. `Coverset(Theta)H_(2)-CH=OlarrrarrCH_(2)=CH-O^(Theta)`
B. `Coverset(o+)H_(2)-O-CH_(3)larrrarrCH_(2)=overset(o+)O-CH_(3)`
C. `CH_(2)=CH-NH_(2)larrrarrCoverset(Theta)H_(2)-CH=overset(o+)NH_(2)`
D. `overset(o+)O-CH=CH_(2)larrrarrO=CH-overset(o+)CH_(2)`
