Which of the following statements BEST supports the author's main point in paragraph 5?
o A. Missionaries impacted the expansion of
acupuncture.
B. Acupuncture books were published which led to
wide use of the technique.
C. Acupuncture was created in other parts of the
world and eventually established in America.
o D. Although the use of acupuncture has risen and
declined over the centuries, today it is still a
popular form of treatment for illnesses.