I would probably answer with B, because facial expressions would tell if the reader is pleased, annoyed, saddened, ect. by the content :)
Answer:
I think some benefits of future telling is that you can tell peoples future and you might be right.
Explanation:
Another benefits is that people pay you to do it.
Hope this helps.
Complete sentence. The comma is used the right way so it wouldnt be a comma splice, and if you replaced the comma with a period it would be wrong, so not a run on. That is why it is a complete sentence