Choose the letter A, B, C or D to answer these following questionsNga is one of my best friends. She is a student at Marie Curie primary school. She is twelve years old. She has short black hair and an oval face. She has long eyes and a small nose. Every morning she plays baseball and soccer with me. She says "I'm heavy so I would like to be light and beautiful".What is the relationship between Nga and the author?