Which of the Following Statements Best Summarizes "Contract Theory" as Spelled

Which of the following statements best summarizes "contract theory" as spelled out by philosopher Thomas Hobbes?

A) The government should be required to return to citizens any excess taxation revenue that is collected in a given year.
B) Each citizen should be required to serve in the military for at least two years starting at the age of 18.
C) The people of a country voluntarily give up some freedom in exchange for an ordered society.
D) Every business should be managed by the government in order to ensure an equitable distribution of wealth.