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.
Lan. “Would you say the Great Wall is among the seven man-made wonders of the world?”
Trang. “___________”
A. That’s the least I could do
B. Do you think so, too
C. There’s no doubt about that
D. It was created by ancient Chinese people, wasn’t it?