Forums Scripts & Popups probably need /filter, but can't think of this

I'm trying to make a text file with questions and just the correct answer following it from a file with questions and four possible answers. Here's an example of one question and the answers.

The (C) in the first line means that C is the correct answer. I'd like to make a file that would take all of the questions like that and just have this in the file:


It's been way too long since I've done any scripting, and I can't figure this one out. I'd appreciate any help. Thanks.