Fiona was a very popular girl at school. She was clever and fun, and tried to make everyone happy. It was no accident that Fiona was so popular. From an early age she had made an effort（努力） to be kind and friendly to everyone. She invited the whole class to her birthday party, and from time to time she would smile at everybody. Her good words would make others feel happy. She felt very lucky: no other girl had so many friends at school. But everything changed on National Friendship Day. On that day, everyone had to make three gifts for their best friends in class. However, when all the gifts had been made and shared out among classmates, Fiona was the only one who didn’t get any gifts. She spent hours crying. How could it be possible? Everyone came and tried to console（安慰） her for a while. But each one only stayed for a short time before leaving. When she got home that night, Fiona asked her mother where she could find true friends. “Fiona, my dear, ” answered her mother. “My dear, you are a lovely girl, but you cannot be a close friend to everybody. You cannot buy friends with a smile or a few good words. ”Hearing this, Fiona thought about her mother. Her mother was always willing to help her friends, Aunt Mary was one of them. Her mother always forgave（原谅）her when she did something wrong. She would like to listen to her problems and give her some advice! Fiona smiled from ear to ear...Fiona tried the following to be friendly to everybody EXCEPT ________.
A. smiling at others
B. buying presents for others
C. making others happy with good words
D. having birthday party with her classmates