试试HTML代码
<p><label>
<input type="radio" name="RadioGroup1" value="单选" id="RadioGroup1_0">
单选</label>
<br>
<label>
<input type="radio" name="RadioGroup1" value="单选" id="RadioGroup1_1">
单选</label>
<br>
<label>
<input type="radio" name="RadioGroup1" value="单选" id="RadioGroup1_2">
单选</label>
<br>
</p>