Simplify the Expression $$4 \log _ { 4 } \left( x ^ { 5 } - 7 \right)$$

Multiple Choice

Simplify the expression.
- $$4 \log _ { 4 } \left( x ^ { 5 } - 7 \right)$$

A) $x ^ { 5 } - 7$
B) -7
C) 5
D) $x ^ { 5 }$