单项选择题
A.echo "My name is ".$nameB.echo "My name is $name"C.echo ’My name is $name’D.echo "My name is "."$name"
A.display_errorsB.display_errorC.display.errorsD.display.error
A.< input name=usern value=“< ?php echo $_SESSION(‘uname’)?>”>B.< input name=usern value=“< ?php $_SESSION(‘uname’)?>”>C.< input name=usern value=$_SESSION(‘uname’)>D.< input name=usern value=$uname>