Answer:im not the best at history but im thinking the answer would a! ill tell you why in the explanation
Explanation:the reason why is that cuz all the answers all kinda the same focus to it and since hes a philosopher i think he writes about nature or man should be kind eachother but thats just my thinking well i hope you have a great summer break (or spring-) and have a great day -fnafanatic(or as i would like to be called -bandu). :) oh yeah i hope all of you be safe