The answer would probably depend on the context where it is found, but from here, i would say D.
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If I'm correct it should be "Box 147, Rapid City, South Dakota."
The reason that is - is because we need a pause between when the city is being said and the area is being said.
ears?
didn't give me much to work with so I'm not sure
Answer:
a and b shall be done because it's better than c and d
If you do that, then you will have used a pronoun that could refer to more than one person, place, or thing.
I hope this is the answer you were looking for! Let me know if you have any more questions.
~Brooke❤️