Anaphora is the use of a repeated word or phrase that

a. concludes a speech.

b. urges political action.

c, imitates the rhythm of poetry.

d. introduces a clause or sentence.

an anaphora is a rhetorical device that consists of repeating a sequence of words at the beginnings of neighboring clauses, thereby lending them emphasis. In contrast, an epistrophe (or epiphora) is repeating words at the clauses' ends. The combination of anaphora and epistrophe results in symploce. so the answer is D