Passage Two Questions 19 to 21 are based on the passage you have just heard.

A．He isn’t feeling well,
B．His apartment isn’t warm enough.
C．His travel plans were changed by the weather.
D．He wants to know who calls him.

A．Because Professor Rivers is interested in women’s studies.
B．Because Professor Rivers is fond of Professor Anderson.
C．Because Professor Rivers knows little in this area.
D．Because Professor Rivers has a lot of spare time.