Answer:
D) persuasive devices.
Explanation:
Persuasive devices are the most common way in which an author expresses his ideas and appeals to readers. Persuasive devices allow an author to describe what his thoughts are in a clear and convincing way. Moreover, they allow him to present a stronger argument. The most commonly used persuasive devices are ethos (appeal to credibility), pathos (appeal to emotion) and logos (appeal to logic).