Rubin has a marble bag that contains red and green marbles. He picks a red marble from the bag at random. Which of the following statements is true?

A: If he keeps the red marble and picks another from the bag, these will be dependent events.

B: If he keeps the red marble and picks another from the bag, these will be independent events.

C: If he returns the red marble to the bag and picks from the bag again, these will be dependent events.

D: Whether or not these are dependent or independent events depends on what color marble Rubin picks next.