He needs to travel in order to be exposed to art, music, and culture is most likely required of a young man to be perceived as highly educated during the time period in which "The Adventure of the Mysterious Stranger" takes place
Option D
Explanation:
According to the story “The Adventure of the Mysterious Stranger”, the writer reveals certain learning of the educated man. According to him, the educated man shouldn’t waste their time roaming around, he shouldn’t waste time in making more social connections, etc.
Instead, he should travel around the world to learn art, music, and culture. This can make him a more civilized and well-cultured person. Learning art and music can make a person a more educated and well-known person across the world.
