Kamal has four different materials with him. Using a burning candle he made the following observations.

Material	Observation
A	Cannot see the candle clearly
B	Can see the candle clearly
C	Can see the candle hazly
D	Can see the candle clearly

Select the correct option.

Geeta placed three objects made of different materials as shown in the figure. She observed a bright spot of light at $\left(\mathrm{I}\mathrm{I}\right)$ but $\left(\mathrm{I}\mathrm{I}\mathrm{I}\right)$ would not get any spot. Then :

A cat was kept inside a box. Four boys are trying to see the cat through four tubes inserted into the box as shown in the figure.

Which of the following boy(s) would be able to see the cat in the box?