单项选择题

Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now, listen to the passage. What is the purpose of this passage

A.To discuss the university childcare programs.
B.To advertise the merits of the kindergarten.
C.To discuss eligibility requirements for the nursery.
D.To argue for private schools as a better form of education.