Kirk Is Going to Be Called to the Witness Stand

Kirk is going to be called to the witness stand to give his eyewitness testimony regarding a murder. It is likely that if Kirk first hears other eyewitness accounts it will

A) make his testimony less accurate.
B) counteract the misinformation effect.
C) encourage him to be more accurate if the other eyewitnesses agree among themselves as to who the assailant was.
D) encourage him to be less accurate if the other eyewitnesses disagree among themselves as to who the assailant was.