After Scrub Jays Were Allowed to Store Worms and Nuts

Multiple Choice

After scrub jays were allowed to store worms and nuts in different locations, the scrub jays released after four hours flew to the worms but did not fly to the worms if they are released five days later. This illustrates that the scrub jays

A) had forgotten where they had hidden the worms after one day.
B) realized that the worms would be decayed after one day.
C) were not sensitive to a passage of time.
D) were "stuck in time."