【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/9919947C9F313B3173671AD6223B72B9.png title=24.png alt=24.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/8E9AD8B42DC29257956187724FB667EA.png title=24-1.png alt=24-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F76DABA009FFBFA2AAF8FC404F5D3A7B.png title=24-2.png alt=24-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/02394AEC0F818B59B95C40A8BD3A54B5.png title=24-3.png alt=24-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/E4021C06A06CDB7232EB8EF1CB543317.png title=24-4.png alt=24-4.png/>