Read this passage:

Letty groaned as the alarm clock sounded. A textbook was
still open next to her on the bed. With eyes half-open, she
dressed in her waitressing uniform. Early customers didn't
normally tip very well, but the diner was the only place she
could get in a quick shift before classes started. At least
she'd be off her feet for a while at school before she had to
go to her evening job at the factory. It was all Letty could
do to stay awake after four hours there to study a bit
before bed. Then she'd be up to do it all again the next day.

What is the best inference you can make about Letty?


A. Letty finally gets to sit down when she's at the factory.

B. Letty is not a good waitress because she's tired.

C. Letty prefers factory work to waitressing.

D. Letty doesn't make a lot of money waitressing.