题目1单选题
<img src="https://tihai-oss-cloud.itihey.com/img/e49d3f946550bd7c1c1e14aafb2ee111.png"><img src="https://tihai-oss-cloud.itihey.com/img/bced5fa9f99f41bdf53d1ee5c4a06974.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/f24da2c3e7c6ec87394d1696109e51a8.png"><img src="https://tihai-oss-cloud.itihey.com/img/8fa3410ffb7c398786486851b81cbebf.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/b764319ba48098b5c8bd14c4df11b2b2.png"><img src="https://tihai-oss-cloud.itihey.com/img/6de4cee02e8c5dadabf2e54b8ad3a6fa.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/b764319ba48098b5c8bd14c4df11b2b2.png"><img src="https://tihai-oss-cloud.itihey.com/img/8fa3410ffb7c398786486851b81cbebf.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/f24da2c3e7c6ec87394d1696109e51a8.png"><img src="https://tihai-oss-cloud.itihey.com/img/6de4cee02e8c5dadabf2e54b8ad3a6fa.png">
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