-Oh, it’s already a quarter past six. What shall we do at the meeting this evening?

-We’ll go on with the matter________ this afternoon.

A．be discussed

B．being discussing

C．discussed

D．which discussed

下列关于舵的水动力矩和转船力矩的说法对的是（）.

A.与船速成正比

B.与船速平方成正比

C.与舵叶处水流速度成正比

D.与舵叶处水流速度平方成正比