Yes they could have thoroughly asked them questions and they could have also put a test towards the preacher who caught them ( the girls) in the woods to see if he was lying. and more. <span />
No it is no a slang , it is not that informal.
I believe the answer to your question is D
does anyone know the darn answer to this i will cash app you 10 dollars if its the right one no lie ask user babypoppa23