Which of the following is not an advantage to using inheritance?

a. A. Similar classes can be made to behave consistently. (Similar classes can be made to behave consistently).

b. A. One big superclass can be used instead of many little classes.

c. A. Code shared between classes should be written only once. (Code that is shared between classes needs to be written only once).

D. A. Enhancements to a base class will automatically be applied to derived classes.