Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.

Alex and Binh are talking about their plan for next week.
- Alex: “Why don’t you join our trip next week, Bình?”
- Bình: “________”

A. That’s a good idea.B. Surely, you should.C. You’re welcome.D. Thanks a lot.

Đáp án đúng là: A