I don't know gosh I'm just doing this for my homework
He was upset because Renee was supposed to do the heavy (yell and scream at Bella for making bad choices) but doesn't. So Charlie went moping around till the wedding came so technically he was upset that Renee hadn't rat Bella out.
Answer:
The answer to this would be 3
It would be the first one (I've had experience with that first hand)