Provide an Appropriate Response $\left. a _ { n } = \log \left[ 2 ^ { \left( 9 ^ { n } - 1 \right.} \right) \right]$

Multiple Choice

Provide an appropriate response.
-What is the common ratio in the geometric sequence $\left. a _ { n } = \log \left[ 2 ^ { \left( 9 ^ { n } - 1 \right.} \right) \right]$ ?

A) 9
B) $\log 2$
C) $\log 9$
D) 2