Betty is a fourth-year student. She is good at jumping. The school sports meeting will be held on May 4th and she entered(报名登记)her name for the high jump and the long jump. But two days later she fell from a ladder and hurt her right foot. Her parents sent her to the nearest hospital. The first word she asked the doctor was, "Can I jump in seven days, doctor I don’t like to miss our school sports meeting. "Without a word, the doctor looked her over carefully and said, "Don’t worry. It’s not badly hurt, your foot will be much better by the end of April. On May 4th you are able to run and jump at sports. \ The doctor said that ______ .
[A]her foot was badly hurt B.the wound(伤)in her foot was not serious C.She’d better stay in bed