Passage Three Questions 33 to 35 are based on the passage you have just heard.

A．It changes the body’s metabolism through rapid weight gain.
B．It tricks the body into responding as if it were in a different time zone.
C．It promotes increased alertness by adding snacks to the diet.
D．It builds resistance to illness by increasing intake of vitamins.

A．A platform worker.
B．A computer.
C．The command spot.
D．A machine.