Which of the following is true about train culture in Japan?

A、Railway trip is a common plot in many Japanese movies and animations.;
B、Railway trip is a part of some people’s daily life, which stands for a kind of modern lifestyle with fast pace.;
C、Many Japanese anime directors don’t think railway elements could reveal the inner world of the protagonists.;
D、Many Japanese anime directors think the element of railway could help to develop the plot.