化合物<img src="https://static.zxtiku.com/wangke/imgs/topic/976202594e26276677fb8ea1ac04bcfa.jpg"/>一元消化的主要产物是（） A. <img src="https://static.zxtiku.com/wangke/imgs/topic/9b8706de75098f86cd6bcbe2326a8b96.jpg"/> B. <img src="https://static.zxtiku.com/wangke/imgs/topic/3ea46e6198670bdf59f2989a8623d261.jpg"/> C. <img src="https://static.zxtiku.com/wangke/imgs/topic/96fc78e735e696a05bb645cafc890f7a.jpg"/> D. <img src="https://static.zxtiku.com/wangke/imgs/topic/36ef8764be357f65044ca4fa4d1dab9a.jpg"/>