I'd pick a combo between A and B. It all depends on who is calling. If it's a good friend A, but if it's like an associate B (that's if I answer the phone for um).

I feel like if I got to hide something from my SO (significant other) then I shouldn't be doing it to begin with. It's 2am and my friend is calling, nothing good happens after midnight so I should already have an idea that something is wrong when i hear my phone ring. It's That whole situation is not even all that serious. Nothing to get mad over. I could see if it's the middle of the day and we are chillin, he gets up and leaves the room to talk on the phone....that's a no no. Every guy should know that. LOL.