具有加强十二经脉互为表里两经之间的联系，补正经不足作用的经脉是（）
A.十五别络
B.奇经八脉
C.十二经别
D.十二经筋
E.十二皮部
参考答案：C
You ______ to tell him the news; It just made him sad. [ ]
A. need not
B. doesn't need
C. need
D. don't need
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