如何从下拉列表中进行选择？
这是html代码
<span class="select2-dropdown select2-dropdown--above" dir="ltr" style="width: 355px;">
<span class="select2-search select2-search--dropdown">
<span class="select2-results">
<ul id="select2-31B9AC3E-5CBC-4FB3-83FF-951A88645FC9-results" class="select2-results__options" role="tree" aria-expanded="true" aria-hidden="false">
<li id="select2-31B9AC3E-5CBC-4FB3-83FF-951A88645FC9-result-98l8-11222" class="select2-results__option" role="treeitem" aria-selected="false">Darbo partija</li>
<li id="select2-31B9AC3E-5CBC-4FB3-83FF-951A88645FC9-result-tyqm-11156" class="select2-results__option" role="treeitem" aria-selected="false">Demokratinė darbo ir vienybės partija</li>