Answer:
A). Formal and direct.
Explanation:
An argumentative essay is characterized by its clear, concise, balanced, and objective portrayal of the issue. Such an essay proposes both the dimensions of the issue that
As per the question, the given excerpt includes an effective tone as well as style as the author adopts a 'formal and direct' approach. This is reflected through the author's confident, precise, and appropriately backed statements in an objective manner that helps convey the intended message more clearly and comprehensively. It not only assists the author to establish credibility but also to convince the audience more conveniently. Thus, option A is the correct answer.