----Fred is studying Chinese in one evening school.

---Is that true? He has               told me about it.

A．ever

B．even

C．already

D．never

化脓性脑膜炎，脑脊液的显著特点是（）

A.外观混浊

B.细胞计数以淋巴为主

C.葡萄糖含量减少

D.蛋白质明显减少

E.可找到抗酸杆菌