Present evidence that supports the original claim.
The sentence "<em>Bob plays guitar in his spare time"</em> represents a single sentence.
<h3>What is a simple sentence?</h3>
This refers to an independent clause which conveys a single and complete thought.
Hence, the <em>Bob plays guitar in his spare time"</em> represents a single sentence because its conveys a single and complete thought.
Therefore, the Option B is correct.
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It is independent because it expresses a complete tought.
Refrain is in a song not a poem so C. Refrain.
