According to John Rawls:

A. each person should be permitted the maximum amount of basic liberty compatible with a similar liberty for others.

B. freedom of speech and assembly is the single most important component in a justice system.

C. equal basic liberty is impossible in a pure market economy.

D. ethics is culturally determined.

Option A, is the right answer.

Explanation:

John Bordley Rawls was a political and moral philosopher from America. He belonged to the liberal tradition. Rawls in Political Liberalism, directed towards the question of political legitimacy in the meaning of stubborn philosophical, spiritual, and ethical controversy amongst citizens concerning human welfare. Moreover, what he believes is that everyone should be allowed the maximum amount of essential freedom harmonious with a similar opportunity for others.