Which of the following is FALSE regarding the research of Ronald Melzack and Pat

Which of the following is FALSE regarding the research of Ronald Melzack and Patrick Wall on the topic of pain?
A) It suggests that there is an area of the spinal cord that is responsible for preventing or allowing pain messages to reach the brain.
B) It suggests that messages from the brain and spinal cord can prevent pain messages from getting to the brain thus having an effect on pain perception.
C) Their theory explains the variance in pain thresholds among infants, children, and adolescents from different cultures.
D) Their theory helps explain why some athletes can continue to play their sport and not experience the pain until some time after the injury.
E) They came up with the gate-control theory of pain.