听力原文:M: Miss Hanson, thank you for sending me this note. I'm sorry to hear Marsha is b
W: I'm not sure what's happening to Marsha. She's usually an excellent student. She completes all her work and she's quiet in class. Then, last month, she just changed.
Q: What can you infer from the conversation?
(15)
A.The woman is the man's boss.
B.The man is the woman's husband.
C.The woman is the teacher of the child.
D.The woman wants to know something about a student.