Which sentence uses the correct MLA in-text citation?
A. In his book Reach the Stars, Dr. Leo Beck says that athletes often succumb to the pressure to succeed (Beck 112).
B. Dr. Leo Beck, author of Reach the Stars, believes athletes put too much pressure on themselves to succeed (112).
C. In Reach the Stars, Dr. Leo Beck says that athletes often put too much pressure on themselves to succeed.
D. One doctor agrees that many athletes put too much pressure on themselves to succeed in sports (112).