Down bow or Giù arco
Like sull'arco, except the bow is drawn downward. On a plucked string instrument played with a plectrum or pick (such as a guitar played pickstyle or a mandolin), the note is played with a downstroke.
The answer to your question is D, I have just finished my test and got 100%, although i do have to say all you have to do is look up the painting and you can find out that it is a tempera and D is the only option with tempera in it
