Choose the letter A, B, C or D to answer these following questionsNam is living in Hanoi city with her family. She is in grade 6. In summer, she doesn’t go to school. Because the weather is very hot, she often goes swimming with some of her friends. She sometimes goes to the park to fly the kite or goes fishing. She also goes on vacation with her family. Her favorite place is Ha Long. Nam likes summer very much.Question: Why does she often go swimming in the summer?