Where are Apache server log files stored in a standard Linux distribution?

Where are Apache server log files stored in a standard Linux distribution?

A.
In the /var/log/httpd/ directory

B.
In the /etc/log/httpd/ directory

C.
In the /etc/log/httpd/ directory

D.
In the /usr/log/httpd/ directory

Explanation:
/var/log/httpd