The Question of Legality in Daily Fantasy Comes Down to Whether

The question of legality in daily fantasy comes down to whether it is a game of skill or chance. The argument that it is a game of skill is that

A) players can use a skillful and statistical understanding of the athletes they are choosing.
B) players can use the private knowledge that they are hot to time their bets.
C) players can use the private knowledge that they are cold to avoid making bets.
D) people with skill have better luck.