Final answer:
In traditional Chinese medicine, the point SP-21 (da bao) is associated with treating whole body pain.
Step-by-step explanation:
The question pertains to the field of traditional Chinese medicine, particularly the use of acupuncture points to treat ailments. Among the options C. SP-21 (da bao) is traditionally believed to aid in treating whole body pain. This point, also known as the Great Wrapping point, is said to have an influence over the qi of the entire body. It's important to note that while acupuncture and its principles are widely used, the effects and mechanisms are not fully understood in Western medicine and can be considered complementary or alternative treatments.