Metaphor
This sentence is an example of a metaphor, the speaker is comparing his father to being death in the way that death typically is said to come after a person. Through this image, it's clear that the speaker's father is not going to give up pursuit of him.
An independent clause is a clause that can stand alone in a sentence. (it expresses a complete thought.
a dependent clause is a clause with a subject and a verb, but it does not express a complete thought, therefore it can not serve as a sentence alone.
The answer is (D) Casual and Comforting
