<html>

<head>

<title>task dd</task>

</head>

<body>

<table>

<table border="10" rules="all" cellspacing="5px" cellpadding="10px">

<caption>Sales Team</caption>

<thead>

<tr>

<td rowspan="2">A</td>

<th colspan="3">B</th>

</tr>

<tr>

<th>C</th>

<th>D</th>

<th>E</th>

</tr>

</thead>

<tbody>

<tr>

<th>F</th>

<td>G</td>

<td>H</td>

<td>I</td>

</tr>

<tr>

<th>J</th>

<td>K</td>

<td>L</td>

<td>M</td>

</tr>

<tr>

<th>N</th>

<td>O</td>

<td>P</td>

<td>Q</td>

</tr>

</tbody>

</table>

</body>

</html>


이렇게 했는데 뭐가 틀렸는지 조언점 ㅠ