Whose routecan be summarized as the law of &8220;Separating, Joining, Resurfacing and Entering &8220;“离、合、出、入”（）

A. The Twelve Muscular Regions

B. The Twelve Cutaneous Regions

C. Thefifteen collaterals

D. Thetwelve regular meridians

E. Thetwelve divergent meridians