A．The methods scientists used to reconstruct the Antikythera Mechanism.
B．The influence the Antikythera Mechanism has had on the study of physics.
C．A research project in the combined fields of physics and mathematics.
D．A discovery that challenged an accepted historical view.

A．Dials on the device could be turned to calculate a ship's location at sea.
B．The device was used to operate a larger computing system.
C．A system of gears rotated the images located on the case.
D．Light from the Sun illuminated particular indicators on the case throughout the day.

A．He is confident that the dating is accurate.
B．He is sure the dating will be revised in the future.
C．He is surprised that the dating remains inconclusive.
D．He believes that additional testing will be needed to confirm the dating.