Answer: (D) Horizontal complementary
Step-by-step explanation:
The horizontal complementary is one of the type of business strategy alliances that are formed for increase the competition level in the marketing by producing the various types of product and new technologies in the market.
According to the question, the horizontal complementary strategy are basically refers to the partnership that link various types of organizational unit together with the other business units or companies.
Therefore, Option (D) is correct.