Which of the following sentences correctly follows the rules of capitalization?
A. I plan to enroll in college next Year.
B. Even though he moved to New York, he was born in a western town
C. The A1 Plumbing Board of Directors gave every employee a Range
D. The Geography students took a class trip to the Rocky Mountains.
According to the rules of capitalization, the first letter of a sentence and proper nouns should be capitalized. In option D, "Rocky Mountains" is a proper noun and it is capitalized correctly. Geography is also a proper noun identifying a subject.
In option A, "college" should not be capitalized as it is a common noun.
In option B, it is partly correct however "Western" should be capitalized as it is a proper adjective referring to a specific region.
In option C, "A1 Plumbing Board of Directors" is capitalized correctly, but "range" should not be capitalized as it is a common noun.
Therefore, option D is the correct answer.
Therefore, the Correct Answer is D.