Greg: Hey Merlin. I'd like to ask you a question.
Merlin: （）.
Greg: Well, I'm thinking about going to Sweden. What's the best time to go ？

A．I don't really agree with you
B．I should have listened to you
C．It doesn't matter. I trust him
D．Thank you for being so helpful

A．Yes. No matter what you say.
B．Yes. Thank you for your clarification.
C．Yes. You sure understand me.
D．Yes. Absolutely.

A．Just a second.
B．Not that I know of.
C．I can't think of it now.
D．Why ask?