The purpose of the rhetorical device used in the above sentences is:
D. To create a memorable image by comparing two unlike objects
The rhetorical device used in the above sentence is a metaphor. A metaphor is a hidden comparison between two things which possess at least any one idea common to each other. The things may be completely different from each other but would have either one characteristic in common to them. In the above sentence, the rising off after the fall has been compared with the coming back of Phoenix who raised from its ashes.
