Juan loves to read. It is one of his favorite hobbies. Science fiction and history are his favorite genres, but he will sometimes read high fantasy as well. Because of this, Juan typically receives books as gifts for his birthday and other holidays. His room is filled with at least 100 different books. Which type of wood is MOST likely to have been used to make the paper in Juan’s books?

A. maple
B. walnut
C. oak
D. poplar