《太原铁路局全面提高货车轮轴造修及运用质量措施》规定.严格执行探伤设备大、中、小修的相关规定；并在季度性能检查记录显示大、中、小修（）时间。

A.检修

B.维修

C.计划送检

D.使用

Listen to the two girls by the window．What language_________?      

A．did they speak

B．were they speaking

C．are they speaking

D．have they been speaking