Question: RNA is thought to have played an important role in the evolution of life for which of the following reasons?
I. It occurred in great quantities on early Earth.
II. It can self-replicate via a complementary chain.
III. It can catalyze some cellular functions.
A: I only
B: II only
C: III only
D: II and III
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. Write your response with exactly 4 paragraphs, separated with the markdown divider: ***.
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