Which one of the following sentences contains AT LEAST ONE error?

A$.$ Certain regulations may prevent the companies expansion plans.

B$.$ Creative financing can be a positive way to finance innovation, but it can also lead to financial calamity.

C$.$ Identifying investors who are as passionate about your business as they are about making money can lead to a fruitful long$-$term relationship.

D$.$ Improving communication between the board and management was the first order of business for the new CEO.