MAI AND NAM ARE TALKING ABOUT THE CELL PHONE THAT NAM HAS JUST BOU...

17. Mai and Nam are talking about the cell phone that Nam has just bought.

~Mai: “Wow, I’ve never seen such a nice cell phone, Nam” ~Nam: "________.”

A. Oh, I don’t know. B. Thank you. I’m glad you like it.

C. You’re welcome. D. I agree with you.