Which of the Following Constitutes a Slip of the Tongue

Which of the following constitutes a slip of the tongue, sometimes called a Freudian slip?

A) Samuel, who is on a diet, purposefully orders one hamburger when he really wants three.
B) Marcy accidentally calls Tom, her boyfriend, by her ex-boyfriend's name.
C) Nick dishonestly tells his girlfriend he is home and is going to study but then goes out with his friends.
D) Salma secretly collects toothbrushes but does not tell people about it.