Which event are not independent?
A. Landing on heads after tossing a coin and rolling a 3 on a 6-sided number cube.
B. Choosing a marble from a jar and landing on tails after tossing a coin
C. Choosing a 5 from a deck of cards replacing it and then choosing an ace as the second card.
D. Choosing a card at random from a deck, without replacing it, and then choosing an ace the second card at random.