Galileo Buys a Copy of the Book Hip Hop

Multiple Choice

Galileo buys a copy of the book Hip Hop. Later, after reading the book, Galileo sells the book to his sister Inez. This sale of the book is

A) ​legal.
B) ​legal only if the copyright has expired.
C) ​legal only if he sells it for less than he paid for it.
D) ​illegal.