Cognitive Interviews Were Once Viewed as Promising Techniques for Enhancing

Cognitive interviews were once viewed as promising techniques for enhancing the accuracy of eyewitnesses' memories.Subsequent research has revealed,however,that they can lead to errors and confabulations.One reason why these interviews lead to errors is that

A) it is difficult for eyewitnesses to create a mental image of a crime scene.
B) these interviews rely on hypnosis,which has been found to be unreliable.
C) people often have false memories while hypnotized.
D) repeatedly imagining an event can lead to source monitoring errors.
E) polygraph machines can mask the true source of eyewitnesses' arousal.