Read the sentence.

Jordan was determined to purchase the first vinyl edition of a live jazz album from the 1930s. It took him over a year, and many online auctions, but its acquisition made it worth his while.

How does the word acquisition function in the sentence and what does it mean?

A) Acquisition functions as an adverb, and it means “in a manner that is tedious and slow.”
B) Acquisition functions as a verb, and it means “to inquire about something.”
C) Acquisition functions as an adjective, and it means “very valuable.”
D) Acquisition functions as a noun, and it means “the act of getting something.”