The correct answer is B. John Locke.
Step-by-step explanation
John Locke (1632 - 1704) was an English philosopher known as the father of Classical Liberalism for his conceptual contributions that contributed to the theory of the social contract that has relevance to the present. Locke was an empiricist thinker, so he considered that all knowledge of men was originated from the experience that he had, received through his senses.
One of the most important approaches of Locke is that he considered that natural law was a mental disposition, which will make the individual avoid certain behaviors in search of a correct coexistence. So, the correct answer is B. John Locke.