Joey has a box with 40 football and 120 baseball cards. Sylvia has a box with 75 football and 100 baseball cards. Joey randomly selects one card from his box, and then Sylvia randomly selects a card from her box. Which statement best describes the reason these are independent events?

A.
Joey’s selection of a card has no impact on Sylvia’s cards.
B.
Joey and Sylvia selected their cards randomly.
C.
Sylvia is choosing from a larger group of cards than Joey is.
D.
Joey’s and Sylvia’s boxes both contain the same types of cards.