Correct Answer: 4. A-III, B-IV, C-I, D-II
Solution:A. Totemism as a way of thinking about nature and culture - Claude Lévi-Strauss (A-III), who viewed totemism structurally as part of human classification systems.
B. Totemism as sacrifice and incest regulation - Sigmund Freud (B-IV), in Totem and Taboo, linked totemism with primal father, guilt, and repression.
C. Totemism as ancestral worship - E.B. Tylor (C-I), who viewed it within the framework of animism and early religion.
D. Totemism as an elementary religion - Emile Durkheim (D-II), in The Elementary Forms of Religious Life, saw totemism as the basis of religion and social cohesion.