出现( )情况，设备供货方应承担违约责任。

A．未通知而提前交货

B．未提交保修单

C．未交付定金

D．未履行担保

The damaged cargo is not allowed to export without（）.

A.repairing or replacing

B.to repair or to replace

C.being repaired or replaced

D.to be repaired or replaced