I believe the correct answer is exercitui.
You need the perfect passive form here, which is formed when you combine the verb esse in the present tense (here, sunt because of third person plural), and the appropriate participle in the same person, which in this case is exercitui - third person plural.
This should be in a different section not world languages
I see I have not given time field
"I tried my best to help us win, everyones makes mistakes and no ones perfect."
Answer:
C. an idea that is implied from reading the text
Explanation:
sus