I'm watching an anime where the protagonist says, according to the subtitles, "that must be it!" But what it sounds like he's saying "あれが" instead of "あれだ". I know I may be hearing incorrectly, but is it possible for "あれが" to be said in a way that would translate to "That must be it"?
I think the only way for it to be
If you're sure the pronunciation isn't