An essay on man's selfish, environmental destruction

What is a self-evaluation for speech?

What is the author's purpose in this passagea. to remind people to avoid individuals who occasionally display bad manners. b. to encourage people to embrace the feeling of superiority over others. c. to persuade people to demonstrate good manners at all times. d. to convince people to freely express their emotions.

My mothers voice was like a cool dark room in summer peacefull smoothing quite identify the type of figurative language