Refer to the Scenario Below to Answer the Following Questions

Refer to the scenario below to answer the following questions.
Eric the Redd (Scenario)
Eric Redd graduated from college and was hired by a Canadian corporation that manufactures parts for the automotive industry. Eric noticed that the employees on the assembly line seemed bored and their motivation was low. Eric's boss decided to reorganize the workers' jobs to try to increase productivity. Eric enjoys his work assignment in the engineering department but hopes to be promoted to a management position within the next few years.
-In less than two years, Eric is promoted to a management position with five subordinates reporting directly to him. This is an example of which of the following?

A) unity of command
B) chain of authority
C) increased formalization
D) hierarchy of responsibility
E) span of control