By employing domesticated and trained pigeon, bringing down the wild pigeons sitting on temple towers is [TNTET-2011-I]

By employing domesticated and trained pigeon, bringing down the wild p

1.	By employing domesticated and trained pigeon, bringing down the wild pigeons sitting on temple towers is [TNTET-2011-I]
A.	Trial and error learning
B.	Observation learning
C.	Operant conditioning
D.	Classical conditioning
Answer» E.