More than one the people heart and soul.
A. official has served
B. officials have served
C. official has served for
D. officials have served for
网友回答
(答案→)A. official has served
B. officials have served
C. official has served for
D. officials have served for
解析：句意：很多官员一直全心全意为人民服务。本题考查主谓一致问题。more than one+可数名词的单数，后跟动词的第三人称单数形式。serve此处为及物动词，不要加for，所以选A。