Questions 19 to 21 are based on the conversation you have just heard.

A．People who are hurt in accidents.
B．People whose faces were burned.
C．People who suffer from cancer.
D．People who want to be more beautiful.

A．The man should have checked the journals as well.
B．The library has very few sociology journals.
C．The journal collection is as extensive as book collection.
D．She can’t find any useful journals in the library.