Questions 19 to 22 are based on the conversation you have just heard

A．The lack of national academic standards.
B．The lack of sufficient financial support.
C．The lack of qualified teachers.
D．The lack of creative teaching methods.

A．To keep her topic to the point.
B．Follow the man’s advice about her paper.
C．Write her paper on a more general topic.
D．Choose an entirely new topic for her paper.