Concept:The correct word is the one that means an official pardon for political offences or prisoners.
Explanation:Amnesty is the word used when a government officially forgives people for political crimes.
It is granted by the state to political prisoners or people accused of political offences.
This pardon allows such individuals to be freed or to avoid punishment.
Asylum, on the other hand, refers to protection given by a country to refugees who have fled danger.
Acquittal is a formal court judgment that a person charged with a crime is not guilty.
Bail is the temporary release of an accused person from prison, usually after payment of money or a guarantee.
Among the four options, only amnesty carries the meaning of an official pardon.
Thus, in a sentence that requires a word meaning an official pardon for political offenders, amnesty is the correct choice.
Answer:C. amnesty