在高级语言源程序中，常需要用户定义的标识符为程序中的对象命名，常见的命名对象有（ ）。
①关键字（或保留字）②变量③函数④数据类型⑤注释
- A.①②③
- B.②③④
- C.①③⑤
- D.②④⑤
正确答案及解析
正确答案
解析
关键字和注释不能作为标识符给对象命名。
在高级程序语言中，程序员可以定义变量名、函数名，也可以自定义数据类型，比如以类似于[typedef原数据类型新数据类型]格式，定义新的数据类型名。
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