The answer is c. An imperative sentence is a sentence that gives command.
What type of essay is it?
The correct answer is:
It reinforces the idea that all people, not just the speaker's father, should fight against death.
<em> "Rage, Rage against the dying of the light" and "Do not go gentle into that good night</em>" this repetition of lines show to the speaker's that everyone should fight death. He explains how all different types of men fight death.