How would you explain the difference between a one$-$business company and a diversified company?

Select one:

A$.$ The first uses an operating strategy, while the second uses a business$-$line strategy.

B$.$ The first uses a business$-$level strategy, while the second uses a set of business strategies and a corporate strategy.

C$.$ The first uses a functional strategy, while the second uses a business$-$line strategy.

D$.$ The first uses a business$-$level strategy, while the second uses a corporate$-$wide strategy.

E$.$ The first uses a single$-$line strategy, while the second uses a multi$-$line strategy.