Question

According to the gate-control theory of pain, psychological, situational, or social factors can:

A. Only increase the experience of pain
B. Only decrease the experience of pain
C. Have no effect on the experience of pain
D. Increase or decrease the experience of pain

I think it’s be but I’m not sure

Answer 1

It's B its only decreases the experience of pain

Answer 2

Only decrease the experience of pain