What’s Rick’s job（）

A．Because Billy complained to her that his nose or ears hurt.
B．Because Billy complained to her that his nose and ears hurt.
C．Because Billy thought for a few seconds.
D．Because Billy had trouble with his nose and ears.

A．To go out for exercise.
B．To go out for shopping.
C．To go to the library to borrow a book on William Carlos Williams.
D．To help the woman with her oral presentation.