Mark against the correct answer in each of the following:

Mark $(\sqrt{)}$ against the correct answer in each of the following:

$\int \frac{\tan (\log x)}{x} d x=?$

A. $x \tan (\log x)+C$

B. $\log |\tan x|+C$

C. $\log |\cos (\log x)|+C$

D. $-\log |\cos (\log x)|+C$