Topic: Pronoun (সর্বনাম),

Best Answer Explained in Below-:

In the sentence "Each of the boys gets a prize," the word "each" functions as a distributive pronoun. Distributive pronouns refer to individual items or persons within a group, highlighting their separate identities or roles while still acknowledging the entire group as a collective.

In this case, "each" specifies that every boy, individually, receives a prize, rather than implying that the boys receive a prize collectively. This emphasis on individuality is characteristic of distributive pronouns, distinguishing them from other types of pronouns. For instance, definite pronouns point to specific entities, relative pronouns connect clauses or phrases, and indefinite pronouns refer to nonspecific entities.

By saying "each of the boys," the speaker focuses on the individual distribution of prizes, clearly indicating that every single boy in the group is included in the action, thus highlighting their individual status within the larger whole. Therefore, the use of "each" in this context unequivocally aligns it with the definition and function of distributive pronouns, making option D the correct choice.