Ming's mother fell asleep on the couch right after dinner. Ming didn't blame her - she worked long hours. She had an important job at a big company that Ming didn't really understand. She was always on the phone with clients. As Ming watched television beside her sleeping mother, a phone rang in the show she was watching. "Hello?" Ming's mother mumbled, then drifted off again. Which statement best expresses a theme of this story?
A. A stressful job can affect all areas of your life.
B. Being tired is no excuse not to connect with one's family.
C. Sympathy for others' difficult situations shows good character.
D. It is important to understand what others do all day.