Which pairs of events describe independent events? Select all that apply.

A Flipping a coin and having it land with the tails side up; drawing a 7 from a standard deck of cards.
B Pulling a red sock from a drawer with 3 red socks and 5 blue socks and not replacing it; then pulling another red sock from the same drawer.
C Rolling a standard six-sided die and having it land on a 1; selecting a blue block from a tub of red and blue blocks.
D Drawing a king from a standard deck of cards and not replacing it; then drawing a queen from the same deck of cards.