Rewrite the Ratio as a Ratio of Natural Logarithms and Simplify

Multiple Choice

Rewrite the ratio as a ratio of natural logarithms and simplify.
- $\frac { \log _ { \sqrt { 5 } } x } { \log _ { \sqrt { 3 } } x }$

A) $\frac { 5 } { 3 }$
B) $\sqrt { \frac { 5 } { 3 } }$
C) $\sqrt { \frac { \ln 5 } { \ln 3 } }$
D) $\frac { \ln 3 } { \ln 5 }$