Final answer:
In 'Brave New World', Linda does not have a positive experience returning to civilization; she faces social ostracism and resorts to substance abuse.
Step-by-step explanation:
In Aldous Huxley's 'Brave New World', Linda's reaction to being back in civilization is complex. However, she does not feel elated or grateful, she does not remain indifferent, nor does she feel nostalgic for the Savage Reservation. Instead, Linda experiences discomfort and is unable to assimilate back into the society she once left. She becomes addicted to soma, a drug used widely in the civilization to escape reality, and faces social ostracism due to her appearance and behavior which are judged by the civilized society's standards. Linda's return to 'civilization' is marked by a tragic deterioration rather than a positive reintegration.