Which of the following is the major point for treating prolapse of<br/>the anus? () A: Dazhui(GV14) B: Zhiyang(GV9) C: Fengfu(GV16) D: Baihui(GV20) E: Shangxing(GV23)

The luo-connecting point of DU mai is（ ） A: DU 16 Fengfu B: DU 20 Baihui C: DU 14 Dazhui D: DU 2 Yaoshu E: DU 1 Changqiang