Please answer the following question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mrs Green is going to give a birthday party for Mary . Mary is her daughter . Mary will be thirteen years old . A lot of Mary's friends are going to the party . There are going to be twenty girls at the party . Mrs Green are getting ready for the party . Mrs White is helping her . " That's a pretty ( ) cake , " Mrs White says to Mrs Green . " Thank you very much ." Mrs Green is going shopping now . She's buying fruit for the party . She buys a lot of oranges ,apples and bananas . Then she goes home . It's three o'clock in the afternoon . Everything is ready . Now the first girl is arriving . The party is going to start . Options: A Eleven B Twelve C Thirteen D Fourteen Answer: C Thirteen Question:
Answer:
How old is Mary now ?