With Respect to Supply Chains and Their Management, It Is

With respect to supply chains and their management, it is correct to say that

A) supply chains are very important in the movement of physical goods, but not for the provision of services.
B) there are increasing concerns about using suppliers from developing countries.
C) re-engineering can generally not be used as a strategy to improve supply chains.
D) the globalization of business has reduced the risk of supply chain disruptions.
E) many global companies have centralized their supply chain management over the past five years.