题目4单选题
将下列化合物按脱水反应相对活性排列成序( )A. <img src="https://tihai-oss-cloud.itihey.com/img/e7ff8678fc54445df4db2af525ad31a9.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/4e859ca14f45fba34d53f672dc410cfd.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/297fe4bdc74466e903a8aac463e83d05.png">D. n-C4H9OHA、a>b>c>d B、a>c>b>d C、b>c>d>a D、c>b>a>d