The professor describes the approach taken by the Tlingit to build community houses. What is the professor's attitude toward that approach? A. It was a practical way of bringing different clans together in an ongoing partnership. B. It was a good way for the Tlingit to utilize the skills of its most talented builders. C. Payment should have been provided as soon as a building was completed rather than during a potlatch. D. The quality of the community houses would have been better if they had been built by the host clan.