The correct option is B Epimorphosis
When there is an increase in the size of an organ or tissue when called upon to do additional work of the destroyed tissue or paired organ is referred to as compensatory hypertrophy.
Epimorphosis type of regeneration involves dedifferentiation of adult forms so as to form an undifferentiated mass of cells. For example, limb regeneration in amphibians.
Morphallaxis is the type of regeneration which mainly occurs by remodelling of existing tissues thus involving very little new growth. It subsequently increases in size and becomes normal after feeding.
Autotomy is the behavior whereby animals shed or discards one or more of its appendages.
Thus, the correct answer is option (B).