If Selwyn watches a nurse give him an injection,he experiences more pain than if he closes his eyes during the procedure and thinks about his favorite food.This illustrates the value of ________ for pain control.

A) synesthesia
B) sensory interaction
C) distraction
D) psychokinesis

Distraction can be an effective technique for pain control, as it shifts the individual's focus away from the pain and towards something else. In this case, thinking about Selwyn's favorite food while receiving an injection helps to reduce the perception of pain. Synesthesia refers to the experience of one sense triggering another, such as hearing colors or tasting shapes, and is not relevant to pain control. Sensory interaction refers to the way that different sensory modalities interact with each other, and is also not directly related to pain control. Psychokinesis refers to the supposed ability to move objects or influence physical events using only one's thoughts, and is not relevant to pain control.