There is an auto repair shop located nearby that does a lot of business and has an online rating of 4 out of 5 stars. Kolya takes his car to be serviced and thinks the service person is grumpy and that his car is still not running as well as it could be. Kolya then makes a point of telling his friends not to use the repair shop. Kolya's actions illustrate which of the following "mistakes" that people make when making decisions?

A.People exhibit utility-maximizing behavior.

B.People give too much weight to a small number of vivid observations.

C.People are reluctant to change their minds.

D.People's behavior appears to exhibit inertia.