Final answer:
The correct statement of the traditional distribution structure is that the idea of a channel as a chain of intermediaries performing specific activities and each selling to a smaller unit beneath it until the chain reaches the ultimate consumer is common.
Step-by-step explanation:
The correct statement of the traditional distribution structure is C. The idea of a channel as a chain of intermediaries performing specific activities and each selling to a smaller unit beneath it until the chain reaches the ultimate consumer is common. In a traditional distribution structure, goods typically move through various intermediaries before reaching the final consumer. This can include wholesalers, retailers, and other middlemen who perform specific activities to facilitate the distribution process.