听力原文:W: My friend talked to me on the phone for two hours last night! M: Is it toll-free? Q: what does the man imply? (18)
A.
He always talks on the phone for that long if it's toll free.
B.
They had so much free time to talk on the phone for that long.
C.
They talked on the phone for too long.
D.
He wants to know what they talked about.