.________that we should look after the three dogs three times, my mother left home.

A．Mentioning

B．Having been mentioned

C．Having mentioned

D．Mentioned

衡量船舶重量性能的指标中，下列（）常被用来表示船舶的大小。

A.总载重量DW

B.总吨GT

C.满载排水量ΔS

D.净载重量NDW