Express as a Product $$\log _ { 7 } x ^ { 7 }$$

Express as a product.
- $$\log _ { 7 } x ^ { 7 }$$

A) $\log 77 \cdot \log 7 x$
B) $\log 77$
C) $7 \log 7 x$
D) $\log 77 x$