Answer:
D. Increased maintenance
Increased maintenance is not a common advantage of object-oriented design; in fact, one of the goals of object-oriented design is to reduce maintenance complexity by promoting modularity and encapsulation. Object-oriented design aims to make it easier to maintain and update software systems by organizing code into classes and objects, which can be modified independently without affecting the entire system. The other options (A, B, and C) are typically considered common advantages of object-oriented design.
Step-by-step explanation: