Mark the letter A, B, C, or D on your answer sheet to indicate the option that best completes each of the following exchanges.

Two friends, Mai and Nam, are talking about Nam’s new cell phone.

- 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.