题目2A. <img src="https://tihai-oss-cloud.itihey.com/img/5556e4fa153e1c2fb236f0e57c9cd8ad.jpg">B. <img src="https://tihai-oss-cloud.itihey.com/img/c3a8b01cc5f080b54ea8f6bbc67e786a.jpg">C. <img src="https://tihai-oss-cloud.itihey.com/img/ef4104b4b0dafcaa5dfc9bda99123c36.jpg">D. <img src="https://tihai-oss-cloud.itihey.com/img/c3950ef67ce169b3660357d907c40460.png">