Regan avoids interacting with tourists who visit his village. He feels they violate his personal space when they walk into his yard and peer into his house. Although he realizes that many locals survive because of business from tourism, he does not appreciate that tourists insult local sensibilities from time to time and put undue pressure on scarce resources like water and sanitation systems when they visit. Which of the following terms exemplifies Regan's attitude toward tourists visiting his village?

A. boundary maintenance
B. resistance
C. revitalization and adoption
D. retreatism

Answer: D