The correct answer is C. circling your writing for action verbs.
Action verbs are those verbs that show what the subject is doing, and what is going on in a particular text. If you change state verbs into action verbs, you are going to give your text variety and dimension, which is why they are important. It is advisable to avoid passive forms as well, especially in academic texts, because they make the text sound too boring.
What is the underlined word and what are the options? I can help you then.