His sacrifices for the country were never officially _________, which made all of us feel discouraged．
A.acknowledged
B.appealed
C.remended
D.evaluated
网友回答
A解析考查动词词义辨析。句意：他为祖国所做的牺牲从来没有被正式承认，这让我们觉得很沮丧。四个选项的主要含义分别为：A“承认；(公开)对……表示感谢；确认收到”，B“恳请，上诉”，C“推荐”，D“评估，评价”。从语意的连贯判断选A。