Usually, your third step is to hunt for clues like supporting details, vocabulary, dialogue. You will have to search through the specific passage and draw information based on the passage to make an inference.
Answer:
Bradycardic response.
Explanation:
The "diving reflex", or bradycardic response, is the natural reflex of infants on water, is an automatic response that they lose later in development, and it comes in order of survival mode and has an evolutionist logic.
Acording to the events that were taken as a basis for the setting of the story, If you wanted to support the idea that Beowulf is an epic hero, you might best note that he embodies the ideal of Anglo-Saxon society. This option seems to be the only relevant. Hope you still need the answer, because this one us really helpful.