ƚҽɾɾყ ᶠʳᵒᵐ ᵏᵃᵃᶜʰⁱ

Let's see who is stupid.
          	
          	What  BTS means?
          	
          	A) Behind the scenes.
          	
          	B)A famous kpop group that out sold your favs.
          	
          	C) BTS are letters from the alphabet.
          	
          	D)I don't know.
          	
          	I) D
          	
          	difficulty - 97%.