The answer is c,i believe
Is that the correct question?
Answer:
The theme of Pandora's Box is to not let curiosity get the best of you, because in some situations or instances, it could get you in a ton of trouble
Two sentences joined with a coordinating conjunction and a comma form a compound sentence. If it were a complex, it would have a dash. If it were a comma splice, it would have a dash and a dash. If it were a run-on, it wouldn't have either, just a lot of and in it.
Hope this helps. :D