Express as the Logarithm of a Single Expression $\log _ { \mathrm { C } } \mathrm { m } + \log _ { \mathrm { C } } \mathrm { n }$

Multiple Choice

Express as the logarithm of a single expression. Assume that variables represent positive numbers.
- $\log _ { \mathrm { C } } \mathrm { m } + \log _ { \mathrm { C } } \mathrm { n }$

A) $\log _ { \mathrm { C } } \mathrm { mn }$
B) $\log _ { \mathrm { C } } \frac { \mathrm { m } } { \mathrm { n } }$
C) $\log _ { \mathrm { c } } m \cdot \log _ { \mathrm { c } } n$
D) $\log _ { \mathrm { C } } ( \mathrm { m } + \mathrm { n } )$