Revise the following paragraph to enhance its coherence of thought. I went out for the track team. I worked out in my backyard. I wasn't ready. I decided to quit within a few weeks. My coach noticed my attitude. Some jump. He told me to get up and try again. I soon realized the importance of hard work.

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.