Economic models

A、are constructed to mirror reality as closely as possible, and in this respect economic models are no different from other scientific models.;

B、are constructed to mirror reality as closely as possible, and in this respect economic models are very different from other scientific models.;

C、are simplifications of reality, and in this respect economic models are no different from other scientific models.;

D、are simplifications of reality, and in this respect economic models are very different from other scientific models.