Which is true on the subarachnoid space in the vertebral canal（）。

The cerebral arteries and veins are located in the subarachnoid space. 大脑动脉和静脉位于蛛网膜下腔。

The cavity between the spinal dura and the spinal arachnoid is called ( ). A: Epidural space B: Subdural space C: Subarachnoid space D: Central canal

A patient with hypertension whose blood pressure rose sharply to 250/120mmHg after quarreling with others, suffered from seizures, convulsions, vomiting, confusion and other central nervous system dysfunction. The most likely diagnosis is A: cerebral hemorrhage B: hypertensive encephalopathy C: cerebral infarction D: subarachnoid hemorrhage