Which of the following sentences is grammatically correct?

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A Having finished her homework, the television was turned on by Sarah.
B Sarah turned on the television after she finished her homework
C Sarah turned on the television, having finished her homework, she sat down.
D After finishing her homework, the television had been turned on by Sarah.

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Answer: B. Sarah turned on the television after she finished her homework

Options A and D contain dangling modifiers, making it sound like the television finished the homework. Option C is a comma splice.

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Which of the following sentences is grammatically correct?

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