Usa.gov (I recommend government related sites)
Explanation:
A license plate is the board behind and in front of your car that has letters and numbers on it.
We need the “following” options in order to answer the question. What are your multiple choice answers? The question is too broad to even begin to answer without what the question is aimed toward. I’m sure that you’ll get immediate response once you give the answer: “which of the following”, stated in the body of the question. Sorry.