题目6单选题
下列化合物中,能与Fehling试剂反应的是A. <img src="https://tihai-oss-cloud.itihey.com/img/40bda36063c17e4dc68a094322347b79.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/d17199e7a95cad0649b246dfdd98ac87.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/e0dcefea16ef610b1720ef1a4ebec983.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/023297001e547d9e83551cca7bb40ce5.png">