Each sentence below has two blanks, each blank indicating that something has been omitted. Choose the set of words for each blank that best fits the meaning of the sentence as a whole.
Under the strategic concept of marketing, the_____________ of marketing shifts from the customer or the product to the customer in the _____________of the broader external environment.

Options

A. Efficiency, topic
B. Focus, context
C. Aim, subject
D. Power, discourse