The top shelf of a bookcase holds 6 fiction and 4 nonfiction books. On the bottom shelf are 3 fiction and 5 nonfiction books. Choosing which 2 books describes a pair of dependent events?

A.
one of the fiction books on the top shelf, and then a second fiction book from the bottom shelf
B.
one of the fiction books on the top shelf, and then one of the nonfiction books on the top shelf
C.
one of the fiction books on the top shelf, and then one of the nonfiction books on the bottom shelf
D.
one of the nonfiction books on the bottom shelf, and a second nonfiction book from the bottom shelf