Which of the Following Scenarios Would Support the Theory of Public

Which of the following scenarios would support the theory of public choice?

A) The governor of the state vetoes a highway bill even though the highway would enhance the value of property he or she owns.
B) The local police chief fails to give the mayor a speeding ticket because the mayor might fire him.
C) The president of Colombia goes after drug traffickers despite death threats and the offer of bribes that could make him a rich man.
D) A college president eliminates wasteful departments and programs even though this will shorten her tenure and her political future.