The correct option is
B Non-luminous body.
- An object that does not emit light is called a non-luminous object.
- Moon is a non-luminous object that does not have its own light.
- We can see the moon because it reflects sunlight into our eyes.
- Light from the sun falls on the moon.
- The moon reflects this light to us on the earth.
- Thus, the moon is a non-luminous object.
Hence, option B is the correct answer.