A summary is a breif explanation/sum up of what you have talked about or what ever the topic was. It is used to wrap up everything you have explained. It is better to use summary's so that we can say the main idea in less words and so people can read it quicker and get the idea of that topic.
Answer:
D!!!!!!!!!!!!!!!!!!!!!!!!!!
Explanation:
Basically the next time Grendel tried attacking Heorot Hall Beowulf was waiting for him and then attacked him then while wrestling with the demon Beowulf ripped his arm off. Grendel was severally injured so he fled into the woods and died. <span />
