What is the main source of conflict in this passage?
Bea slept during the day because she worked the night
shift at a convenience store. But her apartment building
had thin walls, and the television belonging to her old
neighbor, Mrs. Kearns, blared game shows all day long.
She knew that Mrs. Kearns had poor hearing, but she had
to say something or she would never get any sleep.
A. Mrs. Kearns has a hearing problem.
B. Bea's apartment building has very thin walls.
C. Bea must sleep during the day because she works at night.
D. Bea is unable to sleep because Mrs. Kearns's television is too
loud.