A、  B、  C、  B

In what currency should the equipment be paid for?
(A) US dollars.
(B) 8, 000 dollars.
(C) I think it is too expensive.

Do I need my coat today, or is a sweater OK?
(A) Not at all.
(B) It’s pretty warm outside.
(C) Both of your coat and your sweater look beautiful.