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const A * p; 以下声明的含义是

单选题
2021-09-01 23:19
A、p是指向类A对象的指针
B、p是指向类A常对象的指针,该指针指向的对象是常量
C、p是指向类A常成员的指针
D、p是指向类A对象的常指针,该指针值是常量
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正确答案
B

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