The computers made by our company sell best, but several years ago no one could have imagined the role in the markets that they ________.

A．were playing

B．were to play

C．had played

D．played

如果（）而发生绕航，这种绕航不属于合理绕航。

A.为躲避海上风险

B.为救助或企图救助海上人命

C.为救助或企图救助海上财产

D.为了将偷渡者遣回原地