The children went home from the grammar school, their lessons for the day.
A. finishing
B. finished
C. had finished
D. had been finished
网友回答
A. finishing
(答案→)B. finished
C. had finished
D. had been finished
解析：句意：学生的一天的课结束了，从语法学校回家了。因为逗号前面是个句子，中间没有连词，所以后面不是句子，而是独立主格结构“逻辑主语+非谓语动词”，因为lesson和finish是被动关系，用过去分词，选B。