Based on the information given, and if "ROCKIES" is the complete statement you are working with, I would assume it is proper. (I would need a little more information to give an extremely confident answer, however.)
Answer: Last one because it uses comas between each listed topic, but not before the series.
The answer is B) whose pumpkin weighed more than 500 pounds.
Alice thought flying was a good idea
If i knew what the "lines" were id be able to help
