$A$ piece of blue glass heated to a high temperature and a piece of red glass at room temperature are taken inside a dimly lit room. Then:

• A
  The blue piece will look blue and the red piece will look as usual.
• B
  The red piece will look brighter red and the blue piece will look ordinary blue.
• C
  The blue piece shines like a brighter red compared to the red piece.
• D
  Both the pieces will look equally red.