"Liberty, therefore, is never real unless the Government can be called to account when it invades rights."

"Liberty, therefore, is never real unless the Government can be called to account when it invades rights." Which one of the following is the best justification of the above statement ? 

(a) In the realisation that the government can be brought to book in a court of law 

(b) Inidentifying a man as a political unit in a way which distinguishes him from other citizens 

(c) In a decentralized society wherein the basic needs of men can find satisfaction 

(d) In the understanding that liberty and restraints are complementary