Which expression is equivalent to quantity y raised to the negative second power times z raised to the third power end quantity over quantity z raised to the negative fourth power times y raised to the fifth power end quantity all raised to the negative second power?

A.) y raised to the seventh power over z raised to the seventh power
B.) z raised to the seventh power over y raised to the seventh power
C.) y raised to the fourteenth power over z raised to the fourteenth power
D.) z raised to the fourteenth power over y raised to the fourteenth power