• 2022-05-29
    【13.2】要打开一个已存在的非空文件“file”用于修改,正确的语句是( )
    A: fp = fopen(“file”, “r”);
    B: fp = fopen(“file”, “a+”);
    C: fp = fopen(“file”, “w”);
    D: fp = fopen(“file”, “r+”);