Read the article and select the best answer. Article: April 20this Mary's fourteenth birthday. It is Saturday. She invites Kate, Helen, Jane, and Tom to her birthday party. Each of them brings a birthday present for her and says," Happy birthday, Mary" Mary's mother makes a big cake. It has fourteen candles on it. All says "How wonderful!" They have a lot of ice-cream, too. After finishing the ice-cream and cake, Kate plays the piano. How well she plays! Then they sing and play games. Mary is very happy. Everybody looks happy. Question: How many days in April? Options: A: thirty B: twenty-nine C: thirty-one D: fourteen
A:
A