为什么只出现了两个选项
<html>
<head>
<meta http-equiv="content-type" content="text/html" charset="utf-8">
<title>label标签</title>
</head>
<body>
<form>
<label>你对什么运动感兴趣:<br>
<label for="yundong">慢跑</label>
<input type="radio" name="manpao" id="yundong"><br>
<label for="dengshan">登山</label>
<input type="radio" name="manpao" id="dengshan"><br>
<label for="lanqiu" >篮球</label>
<label type="radio" name="manpao" id="lanqiu">
</form>
</body>
</html>
