The origin of the word remains obscure, but it is certainly not from Greek.

A．not well-known

B．not very important

C．not known

D．difficult to understand

下列脑神经出颅途径描述，哪项是错误的（）

A.圆孔：三叉神经上颌支

B.破裂孔：颈内动脉

C.颈静脉孔：舌咽神经、迷走神经、副神经

D.卵圆孔：三叉神经下颌支

E.眶上裂：面神经