单项选择题
A.America B.Europe C.Bermuda D.Egypt
A.Lawn tennis became popular very rapidly in the United States. B.It was Major Walter Wingfield who invented court tennis. C.The sport was called" lawn tennis" shortly after it was invented. D.Miss Onterbridge set up a lawn tennis court with the help of her brother.
A.its purpose, basis and contents B.its purpose, items and tasks C.its purpose, method and results D.its purpose, basis and assumptions