The character struggle is his bully Mitchell and how he handles it is he fights back with kindness
Explanation:
C. If they know you don't care then its less likely that critics will criticize your persuasive argument, or D will also work
It is the point of view of a third person.
I think that the italicized word is "trained" as it's a participle and there is no other participle or gerund! A participle is a verb form that can be used to modify a noun.