The answer is D)study of because technology is the study of tech or in other words a slang for tools.
The most clever men in the kingdom set out to kill Grendel is the one that best summarizes the events from the poem contained in the lines in question. The correct option among all the options that are given in the question is the last option or option "D". I hope it helps you.
Answer:
She didn't work very hard at her studies.
