Bud Patents a Device That Allows Its User to Pretend

Bud patents a device that allows its user to pretend to imitate the ability of a superhero copyrighted by Comic Con Inc. Bud and Comic Con enter into a licensing agreement to make and sell the device as a toy to the public. Under the terms of the license, the licensee agrees to pay Bud royalties of 4 percent. Their contract does not specify an end date. According to a majority of the United States Supreme Court in Kimble v. Marvel Entertainment , LLC, Comic Con can legally stop the payments

A) whenever Comic Con chooses.
B) never.
C) when the copyright expires.
D) when the patent expires.