A. The main characters are both focused on how an interaction with another character will affect themselves.
In both passages, the main characters, Framton Nuttel and Rosemary, are preoccupied with their own feelings and thoughts regarding their encounters with others. Nuttel is concerned about how his visit will affect his nerve condition, focusing on his own discomfort. Similarly, Rosemary contemplates her own emotions and the thrill of the unexpected encounter with the girl asking for help, emphasizing her personal adventure rather than purely considering the girl's situation.