Which of the following statements are true with regard to Plato's Theory of Ideas?
1. Ideas belong to a realm of abstract entities separate from their concrete exemplification in time and space.
2. Ideas or forms are real; particulars are mere appearances.
3. Ideas or forms are temporal, non-special, eternal and immutable.
Select the correct answer:

A. 1 and 2 are true

B. 1, 2 and 3 are true

C. 1 and 3 are true

D. 2 and 3 are false

Answer: Option A