单项选择题
A.你的价格是市场价格的5%。 B.贵方价格超过世界市场价格的5%。 C.你方价格已在世界市场价格上增加了5%。 D.贵方价格远远地超过世界市场价格的5%。
A、 were B、 was C、 has been D、 had been
A、 have B、 are C、 has D、 is