I Choose a Card at Random from a Well-Shuffled Deck

Multiple Choice

I choose a card at random from a well-shuffled deck of 52 cards. There is a 1/4 probability that the card chosen is a spade, a 1/4 probability that the card is a heart, a 1/4 probability that the card is a diamond, and a 1/4 probability that the card is a club. Both spades and clubs are black cards, whereas hearts and diamonds are red. The probability that the card chosen is not a spade is:

A) 0.25.
B) 0.5.
C) 0.75.
D) 1.