题目1A. <img src="https://tihai-oss-cloud.itihey.com/img/6f31570f8c16d6303279ced955da132c.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/2b04377f58f78d30c05bd8cb5e612946.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/63723a766c3474a1d11cc85b5339eb2e.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/61e101ad50dd5f19fdb491b0ef93761e.png">