Based on Psychology and the Law Research, Which of the Following

Based on psychology and the law research, which of the following is the BEST conclusion about confessions?

A) People only confess when they have done an act.
B) People sometimes will confess for acts they have not done.
C) People sometimes will confess for acts they have not done, especially when they are told that an eyewitness saw them do it.
D) People will always confess to acts they did not commit.