Answer:
The answer is: A) It is almost synonymous with demand chains.
Step-by-step explanation:
A company´s distribution channel is the chain of businesses through which a good passes until it reaches its final customer.
An extremely simple example would be: Factory - Wholesale distributor - Local retail store - Customer
A demand chain is just the distribution channel but seen through the eye of the customer. It answers the following question: The good that I just bought passed through which businesses in order for me to get it?
The demand chain for the previous example would be: Customer - Local retail store - Wholesale distributor - Factory