By supporting and signing particular bills while vetoing others , the governor most likely to shape a state's public policy.
Option C
Explanation:
A public policy is influenced by a 'public policy process.' It is made up of five phases, beginning with the agenda.
The agenda identifies issues and concerns to be addressed at the moment by the governors and the implementers.
The second phase of the process after the issue is selected is the "formulation," which comprises of the policy them, all the individuals who will be confronted with this plan, how it will influence these people, etc.
Then there was the "implementation." At this level, the policy is efficiently implemented and is starting to work. And finally, Evaluation is the stage at which the governors and implementers will see the results of the policy and then formulate and enforce changes to improve it.