Answer: D. Kim cannot apply to become a naturalized citizen until she turns 18.
Step-by-step explanation:
Since Kim lives in Maine and is 17 years old and was born in Canada, she cannot become a naturalized citizen in the United States until she turns 18.
She isn't yet a citizen of the United States. Despite the fact that she was born in Canada, she can apply and become a citizen in the United States.
Therefore, the correct option is D.