The word that fit the definition would be : A. Suffix
affix is placed at the end of the word
Prefix is used before the word while root is used in the middle of the word
hope this helps
In the climax, usually the most tense situation in the conflict is introduced. After the climax follows with the falling action. For example a murder mystery's climax is maybe catching the murderer or the time the murder takes place. Hope this helps!