Correct option is A
The correct chronological sequence is
(C) An Inquiry into the Nature and Cause of the Wealth of Nations by Adam Smith. - 1776
(D) The Economic Consequences of the Peace by Keynes. - 1919
(A) General theory of Employment, Interest and Money by Keynes. – 1936
(B) Mahalanobis was made a fellow of Britain’s Royal Society. - 1945
