单项选择题

Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now, listen to the conversation.

Why is Paula unhappy

A. The apartment is too far from the campus.
B. The apartment needs a lot of repair work.
C. She’s having trouble with the owner of the apartment.
D. Her roommate won’t share expenses.