I have a strong feeling it's C. but I'm not sure
A successful collaborative discussion is when you are participating actively and responding to people’s thoughts. When one person says something, feel free to chime in and say something about it as well, which could lead to more discussions too!
The benefits of having more than one narrator include having more opinions and more than on side of a story.
Answer:
Sarah said hello when she saw Mrs. Walker
Explanation:
This version is most clear because it directly states that Sarah is the one saying hello.
I believe the answer will be B