________，the football game has been decided not to be put off.

A．Heavily as did it rain

B．As it rained heavily

C．Heavily as it rained

D．As heavily it rained possible

根据十进制的粒度分级，粉砂的直径为（）。

A.0.5mm〜0.01mm

B.0.1mm〜0.01mm

C.0.1mm〜0.001mm

D.0.5mm〜0.001mm