After watching him closely, the doctors came to believe that Jerey Page ______.

A．his mother's injured before he was born
B．that he had gradually got rid of the sleeping habit
C．his magnificent physical condition
D．that he hadn't got a bed

A．to cure him of his sleeplessness
B．to find that his sleeplessness was not really true
C．to find out wily some old people didn't need any sleep
D．to find a way to free people from the need of sleep