Berntsen and Rubin (2008) Asked Participants to Record Involuntary Memories

Berntsen and Rubin (2008) asked participants to record involuntary memories in a memory diary.In particular, participants were asked to record involuntary memories that referred to a serious (or traumatic) event in their lives.

A) They found that involuntary memories could not be retrieved under spontaneous conditions.
B) They found that involuntary memories were usually made with high confidence.
C) They found that involuntary memories were more common among siblings.
D) They found that involuntary memories are frequent, but decline somewhat with age.