In the Context of American Business, Which of the Following

In the context of American business, which of the following statements is true of the changing scenario of operations management over the last five decades?

A) The nonfarm labor force is increasingly joining the goods-producing sector.
B) The current trend in value chain design is to rely more on vertical integration and less on outsourcing and offshoring.
C) There has been a shift from mass customization to mass production.
D) There has been a fundamental shift away from the production of goods and toward the provision of services.