Final answer:
In an open heroic couplet, the lines end with a rhyme that is not enclosed within the couplet itself.
Step-by-step explanation:
An open heroic couplet refers to a type of couplet in poetry where the lines end with a rhyme that is not enclosed within the couplet itself. This means that the rhyme scheme extends beyond the couplet, creating a sense of openness in the structure. So, option A) is the correct answer.
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