C - it’s sorta d but the right answer is c, you simply just use the important information
He basically gives him his resume, or all the heroic things he has done in the past, such as: he has never been defeated, he has saved many people, he talks about how he lost the swimming match to his friend Brecca because he stopped to help him against sea monsters which attacked him, etc.
These boasts are here for Beowulf to show to Lord Hrothgar that he is worthy of defending his kingdom against the monster Grendel.
The punctuation mark that is not used internally in a sentence is a period (.). Periods are only used when ending a sentence therefore, it should only put at the end. Periods signal that the sentence has already ended and no continuation needed.
