Vincent Is the Sales Manager of His Company,which Manufactures Aluminum

Vincent is the sales manager of his company,which manufactures aluminum and alloys.He contacts different spacecraft manufacturers and aviation companies that use these raw materials and sells them his company's products.This enables him to eliminate all levels of middlemen in his sales.Which of the following statements is most likely true about this scenario?

A) Vincent is a missionary sales agent.
B) Vincent is a retailer.
C) The manufacturing company uses word-of-mouth marketing.
D) The manufacturing company has great monopoly over other companies.
E) Vincent is using a direct channel of distribution.