Stacey Warren! Had a scholastic philosophy
It would be the United States that has the highest number of Fortune 100 companies, with roughly 127 companies making the list as of 2015, although Germany is also a high contender.
Sovereign means C) ability of a country to control its own affairs and function independently. The definition of sovereign is "...the full right and power of a governing body to govern itself without any interference outside sources or bodies."

This sentence gives no reason to add any commas what so ever. This would be a straight forward run-on sentence that would need no clause, pauses or anything that would break this sentence down any more.
Option B would give clear and straight forward information. The first option broke this sentence down as we can see, and as for this, this would not be the proper way of expressing this sentence. Therefore, your
last option would then be your answer.