Which of the following is correct regarding stability of the following pair of species ?
A. `CH_(2)=overset(+)N=overset(-)N gt barCH_(2)-overset(+)N-=N`
B. `CH_(2)=CH-overset(+)CH-barO gt barCH_(2)-CH=CH-overset(+)O`
C. `CH_(3)-overset(O)overset(||)C-barO gt CH_(3)-CH_(2)-barO`
D. Pent-2-ene lt 2-methylbut -2-ene