Which of the following is incorrect for stability of structures.
A. `CH_(3)-overset(O)overset(|)CH-CH=CH_(2)gtCH_(3)-overset("O"^(-))overset("| ")C=CH-CH_(3)`
B.
C. `CH_(2)=CH-overset(o+)CH_(2)gtCH_(3)-CH_(2)-overset(o+)CH_(2)`
D. `CH_(2)=CH-CH=CH-overset(.)CH_(2)gtoverset(.)CH_(2)-CH_(2)-CH=CH_(2)`
