【单选题】听力原文:W: I’ve noticed that you get letters from the UK now and then. Would you mind saving the stamps for me? My mum collects them. M: My classmates already asked for them. Q: What does the man imply? ...
A.
His classmates know the woman's mom.
B.
His classmates send him letters.
C.
He already promised to introduce his classmates to the woman's mom.
D.
He already promised to save stamps for his classmates.