单项选择题

em>Questions I to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions,
Now listen to the conversation.
Why did the officer think the man should notice the speed limit

A.Speed limits are the same in all areas.
B.She’d told him what it was.
C.There are signs along the road.
D.He has recently received his driver’s licens