An Exclusionary Practice, as the Term Is Used in the Clayton

An exclusionary practice, as the term is used in the Clayton Act, occurs when the:

A) government passes a law to keep foreign sellers out of domestic markets.
B) government places a private business beyond the reach of the antitrust laws.
C) seller of a product is prevented by the government from entering into a price fixing agreement.
D) seller of a product forecloses its rivals from the market by making it impossible for the rivals to compete.