A:Hi Clare~It is Jim.Is Peter Phone?

A:Hi Clare~It is Jim.Is Peter Phone?
B:No,he isn't.He is at work.( )
A:Yes,there was no answer,but I left a message.
a.Shall I tell hin you called?b.Have you tried his mobile phone?
A:Hi,B.How nice to see you!
B:Hi
A：I have heard the great news!First place in the piano compitition!Congratulations!
B:( )
a,You are welcome.b.Please do not mention it.c,Of course I have heard.