Linux系统下，Apache服务器的配置文件是（）

A.共有一个文件是/etc/http/conf/srm.conf
B.共有二个文件分别是/etc/http/conf/httpd.conf、/etc/http/conf/access.conf
C.共有3个文件/etc/http/conf/httpd.conf、/etc/http/conf/access.conf、/etc/http/conf/user.conf
D.以上都不正确