Hello,My Name is Gregg and I'm Nine years old. Hoppy's are running in the yard and driving cars.
Answer: D - I closed the door because it’s freezing in here.
Explanation: “It’s” is an abbreviation for “it is”. All other sentences here aren’t using proper italicization.
Its A.Sentence
if it was a run-on it would've been like this:
In the middle of a large field.........