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

A．Agriculture in the industrialized world.
B．Cultivated crops.
C．The association between roses and humans.
D．The discoveries of certain grasses.

A．They have to break into the car.
B．Five percent of the cars are left unlocked.
C．They sometimes find car keys in the ignition and simply get in.
D．They knock out the driver and get the car away.