A. It's the progressive tense that indicates continuing action. It's something that's still going on, and the reason why it's called as progressive. This is formed with the "to be" verb in the present tense, and is combined with an -ing word.
It is C. Adverb. I'm not just gonna type this senctence so I can post the answer, as it'll be more than 20 characters.
Characterization is the use of literary techniques to reveal the nature of a character
