Final answer:
The Daoist concept of immortality encompasses both spiritual pursuits and tangible methods such as consuming special medicines or elixirs, accurately reflected in option D.
Step-by-step explanation:
The Daoist attitude toward immortality is complex and intermingles with religious, philosophical, and practical dimensions. According to Daoist thought, as represented especially in the works of Laozi and Zhuangzi, immortality is part of a broader spiritual journey that adherents undertake to harmonize with the Dao, the underlying natural order of the universe. Practices that aim toward immortality include not only meditative and spiritual pursuits but also more tangible methods like consuming special medicines or elixirs, which are believed to confer longevity and could diminish hunger and thirst during fasting. Thus, the answer which BEST represents the Daoist attitude toward immortality is D) Immortality can be attained through alchemical transformations.