题目2单选题
3,3-二甲基-2-丁醇在浓硫酸催化下,加热时发生消除反应的主要产物为A. <img src="https://tihai-oss-cloud.itihey.com/img/16e3e4e92b717379296ddeaaa36a6898.webp">B. <img src="https://tihai-oss-cloud.itihey.com/img/bdc54cf497ab895f15c2056f0353b61c.webp">C. <img src="https://tihai-oss-cloud.itihey.com/img/558202bbe305fed5ccdff7d2668edb82.webp">D. <img src="https://tihai-oss-cloud.itihey.com/img/65aa0b42ff8bd9908675926cb8807567.webp">