Passage Two Questions 30 to 32 are based on the passage you have just heard.

单项选择题A．The credit hours for a degree in education.B．The credit hours for a degree in psychology.C．The requirements of an MA degree.D．The thesis requirement of an MA degree.

单项选择题A．The levels of his stress hormones will be lowered.B．His blood pressure will drop to a lower level.C．He will have a better appetite.D．His body temperature will rise.