James Buys a Copy of the Book the Black Stallion

Multiple Choice

James buys a copy of the book The Black Stallion.Later,after reading the book,James sells the book to his sister.James's 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.