The first three answers I think. I read this a month or two ago for k12. So I'm pretty sure it would be the first three. Hope I could help!
So when the prompt asks for 3 examples of powerful language, it's asking for something that makes an impact. It's powerful, and it make you think. Kind of like figurative language or metaphors. That's just what I think though...
Answer:
A)The military unit
Explanation:The first option best fit in . The sentence can be re-written as - the military unit practises twice weekly.