The answer is D at least I think
B because it doesn't have any pause
Answer:
It, That, This
Explanation:
<u>It </u>is small and round - talking about something.
<u>That </u>is small and round - pointing at something someone is holding or you can see.
<u>This</u> is small and round - pointing/talking about something you are holding or gesturing towards.
I don't think that you finished writing the question