The choice that best compares the two passages is:
The main characters are both focused on how an interaction with another character will affect themselves.
This response highlights the self-centeredness of the protagonists, Framton Nuttel in "The Open Window," who is preoccupied with his own nerves and how socializing might impact his mental state. While the specific details of the other passage are not provided in your text, the focus on self-reflection and personal concern in interactions is a relevant comparative theme.