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.
For example, indirect characterization describing a protagonist might read, “John snapped at the man without warning,” whereas direct characterization would say simply, “John was short-tempered.”
The correct answer to the question above is a public opinion poll. The senator decided to check the results of a public opinion poll to obtain a sound indicator of how his or her constituency felt about the issue.
Dear Mr. Garcia,
Hope this helps!