Which of the Following Is a Source of Improvement in the Capabilities

Which of the following is a source of improvement in the capabilities of foreign factories?

A) The need to manufacture a product that serves universal needs
B) Market stagnation in the country in which the factory is located
C) Apathy of the headquarters of a company toward the foreign production facility
D) Abundance of advanced factors of production in the nation in which the factory is located
E) Decline in the education level of the country's population where the factory is located