TOEFL Listening: ETS-TOEFL听力机经 - 3N73VPQ1G6SZK39RP$

What does the professor imply about the availability of resources within clans? A. Resources were abundant for all the clans living in the northwest coastal region. B. A host clan's resources increased substantially during a potlatch. C. An individual clan's resources typically varied from year to year. D. Only the biggest clans had sufficient resources to host potlatches on a yearly basis.