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

Anurse is providing teaching to a client who has a gastric ulcer and a new prescription for ranitidine. which of the following statements by the client indicates an understanding of the teaching? a. “i can take two aspirin to treat headaches.” b. “i should avoid dairy products when taking this medication.” c. “i can expect fine hand tremors when taking this medication.” d. “i should not take an antacid within 1 hour of taking this medication.”