_______ of the teachers in our school is 118 and _________ of them are women teachers.

A．The number, first fourth

B．The number, one fourth

C．A number, first fourth

D．A number, one fourth

患者，男，53岁。入院前3小时突然剧烈头痛伴呕吐，CT检查后入院，入院检查意识清，痛苦病容，四肢肌张力肌力改变不明显，颈强直（+），头CT脑沟脑池有高密度影，眼底检查玻璃体膜下片状出血。

该病例诊断是（）

A.脑出血

B.脑梗死

C.蛛网膜下腔出血

D.脑供血不全

E.脑膜炎