According to the Sleeper Effect Phenomenon

According to the sleeper effect phenomenon:

A) the impact of persuasive messages diminishes over time
B) people retain advertising messages when they see them right before going to bed and rehearse them in their sleep
C) the impact of persuasive messages from low-credibility sources can increase over time since the message content becomes disassociated from the source
D) people instinctively disassociate low-credibility sources from messages when they are paying less than full attention to the message