执行下面Python代码后，输出的结果是？（ ）
items = [('item1', 2), ('item2', 3), ('item3', 1)]
sorted_items = sorted(items, key=lambda x: (-x[1], x[0]))
print(sorted_items)
[('item3', 1), ('item1', 2), ('item2', 3)]
[('item1', 2), ('item2', 3), ('item3', 1)]
[('item2', 3), ('item3', 1), ('item1', 2)]
[('item2', 3), ('item1', 2), ('item3', 1)]