The story is so amusing that it kept the children laughing for minutes
A. by accident
B. in particular
C. on end
D. on purpose .
网友回答
A. by accident
B. in particular
(答案→)C. on end
D. on purpose .
解析：A. by accident偶然，B. in particular尤其，C. on end连续地，直立着，竖立着，D . on purpose .故意地，句意：这个故事是如此令人好笑，以至于它让孩子连续几分钟都在大笑。所以选C。