----- What is the price of petrol these days？

-----Oh, it ______ sharply since last month.

A．is raised

B．has risen

C．has arisen

D．is increased

下列关于脑膜炎酶学变化论述正确的是（）

A.LD及同工酶降低

B.CK及同工酶降低

C.β葡萄糖苷酶不变

D.酸性磷酸酶增高

E.核糖核酸酶降低