Here is the categorization of the sentences based on the figurative language:
A. simile
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- And the river flows like a stream of glass;
B. repetition
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- And a pain still throbs in the old, old scars; (Note that the word "old" is repeated)
C. alliteration
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- When the wind stirs soft through the springing grass, (Note the repetition of the "s" sound)
D. personification
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- Till its blood is red on the cruel bars; (Note that this line gives human attributes to the bird's experience, although it can also fit under imagery.)
So, the final arrangement looks like:
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A. simile
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- And the river flows like a stream of glass;
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-
B. repetition
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- And a pain still throbs in the old, old scars;
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-
C. alliteration
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- When the wind stirs soft through the springing grass;
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-
D. personification
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- Till its blood is red on the cruel bars;
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If you need more explanations on each type or the selection process, feel free to ask!