In the case of peppered moth (Biston betularia) the black-coloured from became dominant over the light-coloured form in England during industrial revolution. This is an example of -

Question

( A ) Inheritance of darker colour character acquired due to the darker environment
( B ) Natural selection whereby the darker forms were selected.
( C ) Appearance of the darker coloured individuals due to very poor sunlight
( D ) Protective mimicry