In which sentence is a comma used correctly? O 1. When I saw the deserted cabin, I wondered about its past,
2. While Susan played, the piano the audience became very restless.
3. It was snowing hard, when the boys decided to hike to the stadium,
4. Jenny hummed a tune, while she painted,

2. While Susan played, the piano the audience became very restless.

Explanation:

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3. It was snowing hard, when the boys decide to hike to the stadium.

answer

the answer is a

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