A、  B、  C、  A(A)该题询问在哪里能得到交通信息，回答在网上能够找到具体的位置，所以正确。(B)利用与traffic有关的car来制造混淆。(C)适合回答when引导的疑问句。

Why are you wearing a jacket in the office?
(A)Yes, this is my favorite jacket.
(B)This is your new office.
(C)It’s a bit cold here.

Where can I get the traffic information?
(A)How about looking it up on a Web site?
(B)You can use my car.
(C)Whenever you are free.