Answer: D
Explanation: They were planning to hit the nest to unleash the swarm on her.
There is nothing to pick from. Sorry, I could've helped!
Answer: B. creating a plan
If Sir Gawaine were devising a scheme to rescue his brothers, he would be creating a plan. To "devise" means to create or elaborate something, while a "scheme" refers to a plan of action, or a plot. The word is often used in reference to a plan that is secret, or dishonest.