For the first question it’s A
And for the second question it’s B
Answer:
A. They help maintain balance on both sides of a sentence, keeping coordinating ideas in similar forms.
Harold is hardly mentioned. Byron takes up several themes in Canto III. The first is the sense of isolation, brought to the fore by his apostrophe to his daughter Ada. Isolation pervades the poem by accentuating the other themes: the misunderstanding of genius, freedom from despotism, and the value of Nature.
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