The Bull team ________ the football match and they _______ much experience in playing football.

A．gained; got

B．won; won

C．won; gained

D．got; got

活塞环安装时应该是（）。

A.气环油环随便装

B.气环油环错开装

C.气环在上，油环在下

D.油环在上，气环在下