Questions 26 to 28 are based on the passage you have just heard.

A．Love for beauty and a desire to impress other people.
B．A desire to express oneself and a display of one’s wealth.
C．Individual taste and love for beauty.
D．Individual taste and a desire to express oneself.

A．predict the death rate of inheritable disease
B．predict: a patient’s response to medication
C．find out the biological source and fix the problem
D．guide safe and appropriate treatment