Referring to the Figure Shown Below, Which Failure(s) Could Cause

Referring to the figure shown below, which failure(s) could cause both mirror lights to illuminate when the mirror heat switch is in the ON position even though the park lamps are switched OFF?

A) Wire-to-wire short between circuits 78B and 58J
B) Wire-to-wire short between circuits 78A and 58B
C) Open of circuit 11-GZ
D) All of the above could cause this failure.