如何在非多选硒中取消选择特定的SELECT选项

Question

Select sel41 = new Select(TestUtility.getElementByXpath("//[@id=\'supervisor_select_list_id\']"));
    //sel41.deselectByValue("167805");
sel41.selectByVisibleText("Employer Demo2 [HR Director]");

我要取消选择默认值，然后选择另一个值