I'll just sum up by saying I chose Option C, and the conversation at the end was spine-chilling in relation to one earlier in the game. I really wish I could go into specifics without spoilerizing the end for everyone who hasn't played it. Then you get to the Big Decision, and it's like this giant conspiracy rose unfolding before you, bathing you in the sublime light shed by its petals. Then you get to the last two areas, and you're sitting on the edge of your seat as the epic-ness of what's happening finished sinking in. The game was great, it hooked me right from the beginning, then about half to two-thirds of the way through, things start picking up and the pressure mounts.
The closest I could come would probably be a gif of a smiley's jaw dropping ten feet or so. I dont think I can communicate the way I'm feeling right now in words.