The generation makes it difficult for parents to understand their children’s opinions.
A. division
B. gap
C. separation
D. interval
网友回答
A. division
(答案→)B. gap
C. separation
D. interval
解析：词义辨析。 A.部门；分割 B.间隙；缺口 C.分开；间隔 D. 间隔；距离句意：代沟让父母很难理解他们孩子们的意见。Gap多指天然形成的间隙裂口等含义，故选B。