According to the professor, what can Americans gain from moving pictures？A．Hope in the fut

According to the professor, what can Americans gain from moving pictures？

A．Hope in the future.

B．Challenge in daily life.

C．Myths suitable to live up to.

D．Delight to live with.

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！