题目1A. <img src="https://tihai-oss-cloud.itihey.com/img/673a4d0f152699a617dec27085457b80.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/4e9357b5069352be29d0efba196bd337.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/87494b3a68b11ae3dc6fdc9764092a5b.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/e5452272306449fba42f4ec77a101c31.png">