1 sentence

1. 为什么他们明明知道答案还要问这么多问题？

   wèi​shén​me tā​men míng​míng zhī​dao dá'àn hái​yào wèn zhè​me duō wèn​tí?

   Why do they ask so many questions when they already know the answers?

   Source: OpenSubtitles