The theoretical probability of drawing a red card from a deck of cards is 1:2. Micheal drew 20 cards and received 7 red and 13 black.

What is the best explanation for this result.

A. Theoretical results are correct, regardless of how many cards are drawn.

B. Two decks of cards should be used.

C. Simulations do not always produce theoretical results.

D. More cards needed to be drawn.