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设a=2，b=3，c=4，d=5，下列表达式的值是（）。not　a

A、－1

B、1

C、true

D、false

时间：2021-09-02 13:58 关键词：青书学堂平顶山学院计算机科学与技术计算机可视化编程(专升本)

答案解析

D

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设a=2，b=3，c=4，d=5，下列表达式的值是（）。not　a