Not meaning to take points but what are you talking to about.
Decide if pairs of words have parellel structure.
Who is the intended audience for this section of the text?
A. Children
Answer:
b is correct then he can go APOLOGIZE
Answer:
The student should probably say, "Instead of taking the escalator, use the stairs and even try climbing two at a time."
Explanation:
The first one doesn't explain how to get more exercise, it only explains how to not get injured before doing any physical activity. And the other two are basically irrelevant to the topic.