Final answer:
The correct answer is B: Objects are imperfect copies of their perfect forms. Plato's theory of forms suggests a realm of eternal, perfect forms that material objects imperfectly mimic.
Step-by-step explanation:
The statement that best describes Plato's theory of forms is: B. Objects are imperfect copies of their perfect forms. This theory posits that there is an immutable, eternal, and non-physical realm of forms or ideas. The material world that we perceive with our senses is merely a shadow of this realm. For instance, take the form of a rectangle, which we understand as four straight sides that meet at right angles. Even if we attempted to draw one, that drawing would be an imperfect representation of the ideal form of a rectangle. According to Plato, every material object we encounter is simply an imperfect copy of its unchanging, eternal, and perfect form that exists in the realm of forms.