Which of the Following Statements Is True of Dreams

Which of the following statements is true of dreams?  

A) Dreams are most likely to be vague and fleeting during rapid eye movement sleep. 
B) Freud argued that dreams express impulses we would censor during the day. 
C) Nightmares, like most pleasant dreams, are products of non-rapid eye movement sleep. 
D) Freud believed that nearly all dreams had something to do with one's childhood.