单项选择题
The sense relation of the following pair of sentences is that().X:Mary’s pet cat was stolen.Y:Marry has a pet cat.
A.X entails YB.X presupposes YC.X is inconsistent with YD.X is synonymous with Y
A.ArbitrarinessB.DualityC.ProductivityD.Displacement
A.to stayB.in order to stayC.than have stayedD.instead of having stayed