What Were the Results of the Experiments Conducted on Participants

What were the results of the experiments conducted on participants who were variously administered mild pain, imagined pain, and hypnotized pain?

A) Participants reported actually feeling pain only for real pain.
B) Participants reported not feeling pain for hypnotically induced pain.
C) Participants reported actually feeling pain for both real and hypnotically induced pain.
D) Participants reported feeling pain for imagined pain.