关于腹股沟部位肌腔隙与血管腔隙的描述，下列正确的是()

A．位于腹股沟韧带与髂骨之间

B．位于腹股沟韧带与髂骨、耻骨之间

C．位于腹股沟韧带与耻骨梳之间

D．位于耻骨梳与腔隙韧带之间

E．位于髂骨与腔隙韧带之间

The workers         a new bridge now. The traffic in our city will be better soon.

A．build

B．built

C．are building

D．were building