Directions: In the following question, four statements are provided between an opening statement 1 and a closing statement 6. The statements are jumbled up and form a coherent paragraph when properly arranged. Select the alternative representing the proper and logical sequencing of these six taken together.

1. Idealism, the philosophical view that the mind or spirit constitutes the fundamental reality, has taken several distinct but related forms.

A. Subjective idealism denies that material objects exist independently of human perception and thus, stand opposed to both realism and naturalism.

B. Plato is often considered the first idealist philosopher, chiefly because of his metaphysical doctrine of forms.

C. Objective idealism accepts commonsense 'realism' (the view that material objects exist) but rejects 'naturalism' (according to which the mind and spiritual values have emerged from material things).

D. Plato considered the universal Idea of Form - for example redness or goodness more real than a particular instance of the form - real object, a good action.

6. According to Plato, the world of changing experience is unreal, and the Idea of Form - which does not change and which can be known only reason - constitutes true reality.