Answer:
The correct answer is letter "D": diversification.
Explanation:
A diversification growth strategy occurs when companies engage in businesses that are not related to the operations it handles regularly. Firms do so in an attempt to widen their scope and increasing their chances of keep operations up and running if one operation from a different industry becomes unprofitable at the point that needs to be closed.
Diversification allows institutions to explore different market sectors and take advantage of new opportunities the new market could offer.