Sohan has three identical roses of different colours; red, yellow and pink. He shines a torch on the three roses one-by-one and gets a shadow on the wall in each case. Richa who is observing the shadows formed on the wall can
ADistinguish shadow of the red rose only
BDistinguish shadows of the red and yellow roses only
CDistinguish shadows of all the three roses
DNever distinguish the shadows of the three roses.