['I had a bad feeling when I was walking out of my calculus final.', 'Why what happened? Hopefully nothing bad.', "I just felt like I barely did bad enough to not get a B in the class and that's what happened."]
Don't worry, I'm sure you did fine.
I had to get a certain grade on a test not to fail calculus and I had a bad feeling that I just barely didn't pass. Well that's exactly what happened and I knew it.