How may novels have been published during the lifetime of William Faulkner

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．Both Tennessee William and William Faulkner are playwrights.
B．Tennessee William was a major voice who spoke for the troubled people in southern America.
C．Like Faulkner, he once won Nobel Prize for Literature.
D．Tennessee William had to pursue his writing career through difficult times.