A local hub is an object that has many dependencies and many dependents. It is affected when
another object is changed. Likewise, when it is changed, other objects are affected. What is the
best way to fix this problem?

A.
Local hubs should be made global.

B.
Local hubs should become interfaces.

C.
Local hubs should be removed from the application.

D.
Local hubs should be re factored into several smaller classes.