Final answer:
The standard setup for a vegetarian entree is the same as for non-vegetarian dishes unless specified otherwise.
Step-by-step explanation:
When ordering a vegetarian entree, the normal rule for determining the setup is B) Vegetarian entrees come with a standard setup unless requested otherwise. There is no specific rule indicating that vegetarian dishes require additional silverware, larger plate sizes, are always served with a side salad, or need extra napkins. The setup for vegetarian entrees typically follows the same standard as non-vegetarian dishes, unless the guest or the specifics of a menu item demand a different arrangement.