Which statement best summarizes the author's attitude towards the subject matter?

Responses
A Acupuncture is a fraud, though many have bought into it.Acupuncture is a fraud, though many have bought into it.
B Acupuncture is a miracle cure, but needs to be better understood.Acupuncture is a miracle cure, but needs to be better understood.
C Acupuncture appears to be ineffective, but must be given a chance.Acupuncture appears to be ineffective, but must be given a chance.
D Acupuncture appears to be effective, but must be administered responsibly.

D Acupuncture appears to be effective, but must be administered responsibly.