In Which of the Following Situations Is Dual Distribution Likely

In which of the following situations is dual distribution likely to be determined illegal?

A) A manufacturer sells its product online and through independent and company-owned retail outlets.
B) A manufacturer opens its own retail outlets across the country and sells its entire line of products.
C) A producer uses company outlets to dominate independent retailers that carry its products.
D) A producer sells its products both to wholesalers who deal with small and medium-sized retailers and directly to retailers.
E) A producer charges higher prices at its company-owned retail outlets than independent retailers charge for the same products.