Express as the Logarithm of a Single Expression $\log _ { 6 } 11 - \log _ { 6 } x$

Multiple Choice

Express as the logarithm of a single expression. Assume that variables represent positive numbers.
- $\log _ { 6 } 11 - \log _ { 6 } x$

A) $\log _ { 6 } ( 11 - \mathrm { x } )$
B) $\log _ { 6 } \frac { x } { 11 }$
C) $\log _ { 6 } \frac { 11 } { x }$
D) $\log _ { 12 } \frac { 11 } { x }$