John F Kennedy and Richard Nixon Debated During the 1960 Presidential

John F. Kennedy and Richard Nixon debated during the 1960 presidential campaign. Voters who watched the debate on television were more likely to see Kennedy as the winner than those who listened to it on radio. Why?

A) The Kennedy campaign put out better television advertisements.
B) Nixon refused to take advice on hair, makeup, and clothing that would have made him look better on camera.
C) The radio program was shorter than the television program and omitted some of Kennedy's key arguments.
D) Kennedy smiled a lot.