Simplify Assume That Variables in the Exponent Represent Nonzero Integers $\frac { x ^ { 5 a } } { x ^ { 3 } }$

Multiple Choice

Simplify. Assume that variables in the exponent represent nonzero integers and that all other variables are not 0.
- $\frac { x ^ { 5 a } } { x ^ { 3 } }$

A) $x ^ { 8 a }$
B) $x ^ { 2 a }$
C) $x ^ { 5 a - 3 }$
D) $x ^ { 5 a + 3 }$