Which of the following is an example of Freud's concept of day residue

A)  Mary feels anxious all day after having had a nightmare. 
B)  Danielle has difficulty falling asleep because she is worried that she will not hear her alarm in the morning. 
C)  Arik dreams about monsters whenever he is having a rough time at work. 
D)  Tanner has a lot of dreams that take place at his job.