To most people,coffee can keep them after they worked hard.
A. feeling tired
B. from feeling tired
C. feeling tiring
D. from feeling tiring
网友回答
A. feeling tired
(答案→)B. from feeling tired
C. feeling tiring
D. from feeling tiring
解析：keep sb.doing sth.表示“让某人一直干某事”，而 keep sb.from doing sth.则表示“阻止某人干某事”，再根据句意，B项合适。