题目1A. <img src="https://tihai-oss-cloud.itihey.com/img/37d9ec24140b9e34e5558b07020186ab.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/eea523da72d655d300b3a04a81af6526.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/91a31def0bb10fbafa29e4e1231e5aed.png">D. C=qu