John Borrows a Car Because His Car Was Damaged in a Wreck

John borrows a car because his car was damaged in a wreck. He borrows the car from the company for which he works under the stipulation that John return the car within two weeks. At the end of the two weeks, John decides he likes the car and does not want to return the car. He refuses to return the car. Legally, what crime has John just committed?

A) Burglary
B) False possession
C) Illegal ownership
D) Theft