Final answer:
Pavel, influenced by his diverse cultural experiences, seems to feel rootless and alienated, revealing that these experiences have heavily impacted his emotional response to his environment.
Step-by-step explanation:
The cultural experiences of Sergei, or Pavel as described in the text, seem to have a profound impact on his reactions and emotional response to various situations. Given the detailed inventory of Pavel's room and his apparent discomfort in his surroundings, it is clear that his exposure to various cultural styles and influences has left him with a sense of rootlessness and alienation, even within the familiar setting of his brother Nikolai's estate.
Pavel's discomfort is not just a reflection of his personal taste but also indicative of his broader cultural experience. His sophisticated aesthetic sense seems to isolate him rather than provide comfort or belonging, underlining a deeper emotional response shaped by his accumulated experiences. Therefore, option C (it influenced his emotional response) is best supported by the text. The setting, an amalgamation of various styles and times, stands as evidence of his broader cultural exposure but also his failure to find a true sense of home and belonging.