下列语句不能够用于打开C根目录下文件test.txt的语句是( )A.ifst

考试题库2022-08-02  10

问题 下列语句不能够用于打开C根目录下文件test.txt的语句是(  )A.ifstream fin;fin.open(″C:\\\\test.txt″);B.ifstream fin(″C:\\\\test.txt″);C.A和BD.ifstream fin;fin(″C:\\\\test.txt″);

选项 A.ifstream fin;fin.open(″C:\\\\test.txt″);
B.ifstream fin(″C:\\\\test.txt″);
C.A和B
D.ifstream fin;fin(″C:\\\\test.txt″);

答案 D

解析
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