which of the following describes the bourgeoisie?

owners of banck and factories
workers
owners of capital
the middle class

All of the options describe the bourgeoisie to some extent, but the most accurate description would be "owners of capital." The bourgeoisie refers to the capitalist class or the class of individuals who own and control the means of production, such as banks and factories. They are typically associated with the middle class, but not all members of the middle class are part of the bourgeoisie.