Answer:
c. due to messiness and uncertainty behind change.
Explanation:
Change champions are the individuals who are either selected or who opts themselves to bring about change in the organization. They are selected by the change management group of the organization.
Change champions are more likely to make mistakes due to the messiness and uncertainty behind the change. Which means that such people are though experts but still due to the complicated changes and the chances of mishappening behind the changes they may make mistakes.
Even though they may commit mistakes but the change champions are the one's who learn from their mistakes and try and improve the mistakes committed.