Teresa would like to share files on her Mac Pro with OS X Mountain Lion over an Ethernet network. Which option is a valid choice to enable this feature?
A.
System Preferences > sharing > Select the File sharing checkbox.
B.
Network Utility > Services > Select the File Sharing checkbox.
C.
System Preferences> Network> File Sharing > Select the Enable checkbox.
D.
System Preferences > Security & Privacy > Sharing > Click the Enable button in the File Sharing section.