Answer:
The statement that best describes the knight’s actions is "He is intimidating and challenging the assembled group."
Step-by-step explanation:
This excerpt from "Sir Gawain and the Green Knight" gives de description of the presence of the knight and the use of vocabulary like "wildly he flashed his red eyes around" and "waiting to see who would stand up" shows that he is in a higher and stronger position than the rest of people in there, and he wants to demonstrate it to everybody.