D would be the correct answer for this question.
The story is set in New York many years after an apocalypse and communities have formed in the area forest and hills
I guess and got it right ✌️
You did not include the other part of the question but with some googling i think this answer is what you were looking for:
"to the grocery store" modifies drive. Because drive is a verb, that makes "to the grocery store" an adverb phrase.