The football match, originally due to be held last Sunday, was finally _______ because of the bad weather.

A．broken off

B．called off

C．set off

D．worn off

腹股沟管管壁的正确描述是（）

A．位于腹股沟韧带内侧半上方

B．内口称深环，由腹横筋膜构成

C．外口为浅环，由腹外斜肌腱膜构成

D．女性有子宫圆韧带穿过

E．病理情况下，腹腔内容物可由此处膨出形成腹股沟疝