溴酸钾法测定异烟肼的含量（）

A．淀粉指示液

B．铂指示电极

C．永停终点法

D．甲基橙指示液

E．溴甲酚绿溶液

Be sure to let Tom know the notice as soon as he         .[ ]

.A .will arrive

B. was arriving

C. arrives

D. arrived