The Integration of a Cost Leadership and a Differentiation Strategy

The integration of a cost leadership and a differentiation strategy:

A) is challenging because it increases the number of value-chain activities and support functions in which the firm must become competent.
B) forces a firm to adapt more slowly to changes in its environment.
C) allows the firm to avoid being "stuck in the middle."
D) requires such a large customer base that it is most practical for firms in the global marketplace.