Yesterday morning ,Jim hurried to the station .He was very angry __ the  train had just left.[ ]

A. and  

B. so

C. because

D. so that

右图《请批准》是某老师上《政府的权威从何而来》时给同学们展示的一幅漫画。请根据漫画进行以下探究：

应如何有效防止此类现象的发生？