—Did you tell your parents about the result?

—Oh, no, I forgot. I         them now.

A．will be calling

B．will call

C．am going to tell

D．am to call

全自动生化分析仪的酶促反应进程曲线可用来确定（）

A.酶反应线性范围

B.适宜的pH

C.适宜的酶量范围

D.反应线性的时间范围

E.底物的浓度