The prepositional phrase is "in" since it describes where the prairie dogs live which is "in New Mexico".
It takes a lot of hard work to stay in shape, which is why it’s important to exercise on a regular basis. But it’s not always possible to remain active, and sometimes a few days off can turn into a more... extended hiatus. Here’s what happens to your body when you suddenly stop exercising
The answer is c established that no one, not even a king, is above the law
I would have actually written it this way
"Hellen arrived unannounced when the house was a mess, and we weren't ready for visitors."
But, I guess, the closest answer to this one would be the last option. :)
Hope this helps.