Mr Holmes called at many schools_________he lived to ask them to accept his son,but he was refused everywhere for being a black.

A．where

B．around where

C．near which

D．which

翼静脉丛与颅内相交通是通过（）。

A.眼静脉、卵圆孔网、颈内静脉

B.颈内静脉、卵圆孔网、破孔导血管

C.眼静脉、卵圆孔网、破裂孔导血管

D.上颌静脉、卵圆孔网、破裂孔导血管

E.眼静脉、上颌静脉、卵圆孔网