Here a some that I found,' fair is foul, and foul is fare.'
'parting is such sweet sorrow'
'O brawling love! O loving hate!'
hope it helps :)
Answer C: fear.
The passage gives the idea that John feels fear in anticipation to a bad approach with Carolyn based on his previous experience with her.
Has discovered. That is the correct grammatical answer. Hope this helps!!<span />