Which sentence uses capitalization correctly?

Choice A uses capitalization correctly: the first word of the quoted sentence, “If,” is capitalized, and the rest of the sentence is capitalized normally. In B, “aunt” is a common family title and should be lowercase when used this way. In C, “she” should be lowercase because it is not at the beginning of a sentence. In D, “high school” is a general term, not part of a proper name, so it should be lowercase.

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