possibly, might have, maybe, could have
Answer:
To ask a question or specify something
Explanation:
When you ask a question the most likely thing that you were usually say is the word what. This is the reason that the word WHAT means to ask a question or specify something, because in the sense you are asking them about the thing that you are referencing.
The answer is most likely C
Dialogue can set and establish the mood is a poem. It lets the reader further understand what is going on between characters.
Hope this helps!