You have familiarized yourself with the streets of your town without any reinforcement; then one day you are asked to go to the post office. You are able to do so with ease by following a route that you have never taken. This is an example of:.
a. insight learning
b. latent learning
c. classical conditioning
d. operant conditioning

b. latent learning

Explanation:

Latent learning is learning in which no condition and reinforcement is require to learn. In this example familiarization with street of towns and go to post office without difficulty show that it is latent learning. Such events which occur on daily basis , human mind unconscious learn  that and display that when it need.  

a is the answer because it just is

true because they can bargain