-- What bad luck that we______ the football match in the last 3 minutes.

--And we_______ hard in the last 3 years!

A．had lost; trained

B．were losing; had trained

C．have lost; have trained

D．lost; have been training

我公司单台磨煤机的额定出力（）t/h；给煤机的单台额定出力为（）t/h。