Simplify Leave Answer with Exponent $(-5)^{9} \cdot(-5)^{3}$ A) $25^{27}$ B) $25^{12}$ C) $5^{12}$ D) $-5^{12}$

Simplify. Leave answer with exponent.
- $(-5) ^{9} \cdot(-5) ^{3}$

A) $25^{27}$
B) $25^{12}$
C) $5^{12}$
D) $-5^{12}$