It's not C. There should be a comma where the semi colon is
how the quantity that a person will demand varies depending on the price of a good or service.
The Rosetta Stone so it’s D
Since the speaker compares himself to a night owl and Wilson to an early bird without the usage of the words "like" or "as", this is an example of metaphor. The reader is obviously not actually a night owl, but is merely saying that he's more active at night.
