文件操作_1-18 选择题

读取文件a.txt,下列返回结果正确的是（）（选择一项）

文件内容：To be or not to be.That is a question.

echo fread($handle,4);    //To be



B
echo fread($handle,6);    //To be or



C
echo fread($handle,filesize($filename));  

//To be or not to be.That is a question.



D
echo fread($handle,2);    //To

答案 D