In total darkness, doves ______.

A．tried to fly in the opposite direction of birds not caged
B．changed direction when the position of the stars was changed
C．wouldn't fly well
D．stayed where they were

A．birds can fly in the same direction as that taken by their cousins
B．a bird that has been caged will not fly long distances
C．some birds seem to follow the stars when they fly at night
D．a bird having spent its lifetime in a cage has to be taught how to navigate