Which of the following best describes probation?
a. The idea that in lieu of imprisonment, a person is allowed to serve a sentence while living in the community under supervision, demonstrating a willingness to abide by its laws.
b. A formally recorded obligation to perform some act (such as keeping the peace, paying a debt, or appearing in court when called) entered by a judge to permit a person who has been charged with or convicted of a crime to live in the community, often on posting a sum of money as surety, which is forfeited by nonperformance.
c. A practice under English common law whereby a judge could suspend the imposition or execution of a sentence on condition of good behavior.