Answer
Set c has /z/'-s' ending sounds. I think.
It suggests that the writer thinks that Byron is one that is bored or irritated easily
A: Mrs. Mallard experiences relief upon her husband's death.
He was not surprised because he was already going insane. Since he was hallucinating that the raven was spouting words at him. He was already ill to begin with so it was not a surprise he thought the raven spoke.
Answer: Technology
Explanation: There are so many ways and techniques technology has created for everyone. Especially those with disabilities and physical injuries. Lots of training and adapting. Robotic legs, caste, etc. A lot of things can help