Tom: Hi, Cathy.  
Cathy: I have to finish my project on the history of the Internet. What about you?
Tom: 　 　If it’s fine, we’ll go camping. Would you like to join us?
Cathy: I’d like to, but the deadline for my project is next Monday.
Tom: What a pity!  
Cathy: Yes, please. Can you suggest any good reference books?
Tom: You may want to read Origins of the Internet and The Digital Future.
Cathy: I’m reading the two books. 　  
Tom: Go to the Science Museum website, and you’ll find lots of up-to-date information.
Cathy: Good idea. Thanks for your help.
Tom: 　  

A．Never mind.

B．Don’t mention it.

C．Any other suggestions?

D．Will you come next time?

E. It depends on the weather.
F. Anything I can do for you?
G. What are you up to this weekend?