听力原文:W: My friend chatted with me on the phone for two hours last night! M: Was it toll free? Q: What does the man imply? (15)
A.
They had so much free time to talk on the phone for that long.
B.
They talked on the phone for too long.
C.
He always talks on the phone for that long if it is toll free.
D.
He wants to know what they talked about.