Student A: 3D printing is really cool, isn’t it? Student B: ______________3/300Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges. Student A: 3D printing is really cool, isn’t it? Student B: ______________Yes, it looks impressive.No, I don’t mind what you say.Yes, that’s a very good idea.Don’t mention it.Giải thíchChọn A