单选题 X: John's bike needs repairing.
Y: John has a bike.
The relationship of X and Y is ______.
A. synonymous B. inconsistent C. X entailing Y D. X presupposing Y

【正确答案】 D
【答案解析】“John的自行车需要修理”的前提是“他有自行车”，两句是预设、前提关系。