— 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

急性淋巴细胞白血病（）。

A．细胞中含粗大嗜天青颗粒比例≥30%

B．POX反应，非特异性酯酶均阴性

C．糖原染色阳性，呈块状或颗粒状

D．非特异性酯酶阳性，能被NaF抑制