Identify the pronoun and its form in the following sentence.

Everyone rushed to the sidewalk as the parade began.

A. The pronoun everyone functions as a singular indefinite pronoun that does not replace an antecedent.
B. The pronoun everyone functions as a singular third-person pronoun.
C. The pronoun everyone functions as a plural first-person pronoun.
D. The pronoun everyone functions as a plural indefinite pronoun that does not replace an antecedent.