Which yum command will you use if you want to find out the name of the package that has the /etc/sysconfig/nfs file?

Which yum command will you use if you want to find out the name of the package that has
the /etc/sysconfig/nfs file?

A.
# yum search /etc/sysconfig/nfs

B.
# yum list installed | grep /etc/sysconfig/nfs

C.
# yum info /etc/sysconfig/nfs

D.
# yum check /etc/sysconfig/nfs