A．William Faulkner’s work focuses on several troubled problems of southern America.
B．William Faulkner died one hundred years ago.
C．Although William Faulkner could not graduate from high school, he had great interests in writing.
D．William Faulkner once joined the army when he was young.

A．whose front view is fully perceived
B．whose face is covered with a mask
C．whose face is seen from the side
D．whose face is free of any covering