I chose B, detailed yet familiar, with a new horizon in mind. I would have gone with C but a defenseless crotch feels odd for Trigger. Plus the outfit just makes me think of all the potential dirty pics that will emerge from this design, if it already hasn't that is. Of course regardless of whether it gets picked or not I believe they might do so anyway. Though like Krystal, I do like his gloves. Not a big fan for the subtle differences in the shoes though, mostly because I think B's would be better look for both all terrain walking and the heels could be used to place the Jet Skates in.
But really I wouldn't mind if the other two choices won, any would be fine for the game, A means he hasn't had a change in clothes close to a decade, B means he got an upgrade while in the time he was in that place that its name escapes me, and C means his taken to the fashion sense of Yuna and Tuna (not I don't recall the other girls name and I don't feel like looking for it at the time being), since to me, that's what the design kinda reminds me of. More so than Battle Networks designs...by a bit at least.