问题详情

What is the sense relation between Sentence A "Johns computer needs repairing" and Sentence B "John has a computer"？

A．Sentence A entails sentence B

B．Sentence A presupposes sentence B.

C．Sentence A is a prerequisite of sentence B

D．Sentence A is an entailment of sentence B.

请帮忙给出正确答案和分析，谢谢！