when revising the voice in an argumentative essay, a writer should make sure it is\ninformational.\npersuasiv…

Brief Explanations:

An argumentative essay's goal is to convince the reader of a position. The voice should be persuasive to achieve this. "Informational" is more for expository essays, "informal" is inappropriate for academic argumentative essays, and "relevant" is about content, not voice tone for persuasion.

Answer:

B. persuasive