Mark the letter A, B, C, or D on you...

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
 John: "Do you think that we should use public transportation to protect our environment?"
Laura. "________"

A.Yes, it’s an absurd idea

B. There’s no doubt about it

C. Of course not. You bet

D. Well, that’s very surprising