Read the passage and answer the questions:

"The mid-first millennium BCE saw the emergence of thinkers such as Mahavira and Gautama Buddha in India. Many tried to understand the mysteries of existence and the relationship between human beings and cosmic order. This was also the time when new kingdoms and cities were developing and social and economic life was changing in the Ganga Valley."

Match List I with List II :

Choose the correct answer from the options given below:

A-IV, B-II, C-III, D-I

The correct answer is Option (4) → A-IV, B-II, C-III, D-I