—  I hear that Jason is planning to buy a car.  

— I know. By next month, he _       enough for a used one. [ ]

A. will have saved   

B. will be saving    

C. has saved        

D. saves

高眼压症的危险因素不包括（）

A.眼压升高的程度

B.视盘的形态异常

C.青光眼的家族史

D.心血管疾病

E.眼前段的大小