What will you do, if you see someone is leave off the glass just like this…

Days before, I saw someone leave off the glasses on the floor just as you see.
I’d like you to answer my question… .

“If you see someone is leave off the glass just like this, what will you do?”

A. I feel it, but better be quietly
B. No dude, we should tell them
C. WDF dude, everyone are doing including me!
D. Nah, none my business ..