​Techniques from Traditional Chinese Medicine Have Demonstrated Effectiveness for Managing

​Techniques from traditional Chinese medicine have demonstrated effectiveness for managing stress and depression. Which of the following statements describes the research findings?

A) ​Acupuncture and acupressure are effective in managing stress but less effective for depression.
B) ​Qi gong and tai chi are effective for managing stress, anxiety, and depression, but acupuncture has not been found to be effective for these conditions.
C) ​Qi gong and tai chi are effective for managing stress, and acupuncture is an effective treatment for depression.
D) ​Herbal preparations are effective in managing anxiety, and qi gong is an effective treatment for depression.