【C029139】有如下HTML代码片段:
<table cellspacing="0" border="1px" width="100%" id="productTab">
<tr>
<td>序号</td>
<td>品名</td>
<td>价格(元)</td>
</tr>
<tr>
<td>1</td>
<td>玫瑰花茶</td>
<td>25.00</td>
</tr>
<tr>
<td>2</td>
<td>迷迭香</td>
<td>23.00</td>
</tr>
<tr>
<td>3</td>
<td>蔓越莓果酱</td>
<td>38.50</td>
</tr>
</table>
要求使用jQuery实现如下图所示效果,下列选项不正确的是( )。
A.$("#productTab tr td:last").css("background","#ddd");
B.$("#productTab tr:gt(2)").css("background","#ddd");
C.$("#productTab tr:eq(3)").css("background","#ddd");
D.$("#productTab tr:last").css("background","#ddd");