The correct answer would be option C, Get a support system.
When Linda thinks she has hit a plateau, she should get a support system.
Explanation:
When a person does workouts but his body does not seem to respond in a way that is expected, and there is no change due to that workout on his body, it means the person has hit the plateau.
So when Linda thinks that she has hit a plateau, she should get a support system. Her support system will make his body respond in a way she likes. Some support system examples that might help Linda to break the plateau would be:
Learn more about Breaking of Plateau at:
https://brainly.com/question/3947720
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