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现有数据表mynews,表中字段包括newstitle(标题)、newscontent(内容)等现要在网页中将所有新闻标题输出,以下代码正确的是
A.
$sql="select * from mynews"; $rs=mysql_query($sql); $row=mysql_fetch_array($rs); echo $row[newstitle]." ";
B.
$sql="select * from mynews"; $rs=mysql_query($sql); while($row=mysql_fetch_array($rs)) echo $row[newstitle]." ";
C.
$sql="select * from mynews"; $rs=mysql_query($sql); while($row=mysql_fetch_array($rs)) echo $row[mynewstitle]." ";
D.
$sql="select * from news"; $rs=mysql_query($sql); $row=mysql_fetch_array($rs); echo $row[mynewstitle]." ";