C because a verb is something to describe an action, state, or occurrence.
The underlined term (flies) used verb+es which is used to describe the verb that still being doned regularly.
If the verb is currently being done , the verb will use-ing , if it's a plan in the future, we will see 'will' before the verb and the verb will not use -es
hope this helps
Answer:i’m
Explanation:I am sorry but it looks like paraphrase greek
