What is the author's attitude towards film history

A．that films based on past events are often big hits
B．how much we can trust the Hollywood version of history
C．that we should read books rather than see films to know the history
D．why film audiences are interested in film history rather than real history

A．The body has an important effect on the mind.
B．Radiation and pills can destroy cancer cells.
C．Cancer patients must learn to express their negative feelings.
D．Cancer treatment can sometimes help more if the patient forms positive mental pictures.