Answer:
Authors use satire:
D. To interest readers who might otherwise pay little attention to a direct argument
Step-by-step explanation:
Satire is the genre of literature which focuses primarily on ridiculing the vices, government, authorizes or organizations. It uses sarcasm and irony to mock and ridicule the present system thereby building interest in the readers. Satire helps in bringing out the reality of the society and a motive to change it.