I conclude that the sheriffs attitude is that of boredom and wants to get out of there or that the sheriff is hiding something and being very guiltless. If that makes any sense.
The answer is preview, plan, predict
Personally, I believe that the answer is C.
Hundreds of new words are added to the dictionary each year, and some of these do not have origins within the English language- therefore, other cultures and countries will have adopted these from their original language.
Hope this helps :)