The correct option is
A Dejected
Cast down means
If someone is “cast down” by something, they are sad or worried because of it, so it means to be worried. “Dejected” means sad and depressed.
“Rejected” means to not take into consideration, To not accept.
“Interjected” means to say something abruptly, as an interruption.
“Dilapidated” means to get ruined due to age or other causes.
“Devastated” means to get ruined.
From the above sentences, option A is the correct answer.