It takes a lot of hard work to stay in shape, which is why it’s important to exercise on a regular basis. But it’s not always possible to remain active, and sometimes a few days off can turn into a more... extended hiatus. Here’s what happens to your body when you suddenly stop exercising
D is the correct answer because “of course you need to run more” is not parallel with the rest of the sentence. It should just be “running”
With an attention grabbing introduction
