答案(点此获取答案解析)
\u5317,A,B,\u5728\u590f\u5b63\uff0c\u540c\u7eac\u5ea6\u5730\u533a\u9646\u5730\u6c14\u6e29\u9ad8\u4e8e\u6d77\u6d0b\uff0e\u4ece\u56fe\u4e2d\u5224\u65ad\uff0c\u5728\u540c\u4e00\u7eac\u5ea6\u5730\u533a\uff0cA\u5730\u6c14\u6e29\u9ad8\u4e8eB\u5730\u6c14