单项选择题

[听力原文]
W: I haven’t heard from my mother since the month before last.
M: Don’t worthy Mary. Overseas mail is often slow.

What can you learn about the woman from the conversation()

A.She is often late for meals.
B.She is expecting a letter from abroad.
C.She wrote to her mother last month.
D.She is anxious to go back home.