问题详情

It can be learned form. the passage that _________
A. the person performing the acupuncture knows a lot about the making of needles B. an operation now needs fewer needles than in the past C. acupuncture has existed in China for as long as 2,000 years D. few patients prefer acupuncture to chemicals请帮忙给出正确答案和分析，谢谢！