In 2017, Kelly Writes Like the Wind, a Novel About

In 2017, Kelly writes Like the Wind, a novel about marathoners and ultra marathoners. Kelly does not register the work with the appropriate government office. Under federal copyright law, Kelly's work is protected

A) ​for ten years.
B) ​for twenty years.
C) ​for the life of the author plus seventy years.
D) ​until a revised or updated edition is issued.