Bootstrap中内联单选按钮

<div class="form-group">
    <label class="control-label">性别：</label>
    <br>
    <label class="radio-inline">
        <input type="radio" name="sex" value="option1">先生
    </label>
    <label class="radio-inline">
        <input type="radio" name="sex" value="option1">先生
    </label>
</div>