the greatest of all possible beings

1. Which of the following best characterizes the Ontological Argument for the existence of God?

  a. If God exists, then God is perfect.
  b. The nature of God is different fro different people of different cultures and religious backgrounds.
  c. The world must have been created by the greatest possible being, and this being is God.
  d. In the case of God, defined as the greatest of all possible beings, essence entails existence.
  e. If God does not exist, then nothing would exist now.