After reading the passage about acupuncture, identify which statement supports the claim that acupuncture relieves pain.
A
It is ancient, alternative medicine that has been used for thousands of years.B
A New York Times reporter wrote about the effectiveness of this treatment in relieving his surgery pain.C
The National Institutes of Health found it effective in reducing pain and other symptoms, but it is not clear how it works.D
If you do research, you can find the specific types of pain that acupuncture will effectively relieve.