"The last three years of severe drought conditions have been brutal to our lawn care business. We survived, but our business is too concentrated," said Rocco Camanetti, owner of Camanetti & Sons. "I propose that we expand in new areas$-$trucking, catering, and dry cleaning$-$to minimize our risks due to market fluctuations in one industry." Rocco is advocating a$($n$)$ strategy.

Select one:

A$.$ lateral integration

B$.$ related diversification

C$.$ vertical integration

D$.$ unrelated diversification

E$.$ horizontal integration