Bella Is a Teacher Who Suspects That a Student Is

Bella is a teacher who suspects that a student is trying to deceive her. Under which of the following conditions does Bella have the best chance of being accurate in her attempts to detect whether or not the student is lying?

A) Bella reads a written transcript of the student's story.
B) Bella sees a silent video of the student's face as the student tells the story.
C) Bella reads a written transcript of the student's story and sees a silent video of the student's face as the student tells the story.
D) Bella asks the student to recount her story in reverse chronological order.