The correct answer is A) He doesn't think of the world as a simple place.
Explanation:
Marlow is a character from the novel <u><em>Heart of Darkness</em></u> written by Joseph Conrad.
<em>In the work, it is mentioned that he had spent his life on the sea to explore the unexplored and "blank spots" on the map.</em>
<em>He constantly strives for adventures and is presented as a wise person. Furthermore, he tries to understand every aspect of the world that he explores which proves that </em><em>he doesn't think of the world as a simple place.</em>