The correct option is A Scurvy
The deficiency of vitamin-C causes “scurvy”, characterized by weakness, tiredness, gum disease etc.
Rickets is defective mineralization or calcification of bones in immature mammals due to deficiency of vitamin D.
Pyrrohea or Periodontitis, is an advanced stage of gum disease in which the gums and bones that provide support to the teeth become inflamed.
Pernicious Anaemia occurs when your body can’t absorb enough vitamin B-12, which is needed to make healthy red blood cells.