Which of these would be LEAST likely to be included in a research paper about the positive aspects of acupuncture?

Responses
A Most people feel no pain at all from acupuncture needles.Most people feel no pain at all from acupuncture needles.
B James Reston wrote about how acupuncture eased his pain after surgery.James Reston wrote about how acupuncture eased his pain after surgery.
C Deadly infections can result from improper sterilization of acupuncture needles.Deadly infections can result from improper sterilization of acupuncture needles.
D Relatively few complications have been reported to the FDA regarding acupuncture treatments.

C Deadly infections can result from improper sterilization of acupuncture needles.