Answer: A. Scurvy
A condition associated with inadequate levels of vitamin c is called Scurvy.
Explanation:
Scurvy refers to a disease which is caused by severe and chronic vitamin C that an individual lack in his or her diet. It is caused by lack or inadequate intake of vitamin c. It can result in general weakness, anemia, gum disease, tiredness, sore arms and legs and so on. An individual whose diet is inadequate in vitamin C is at the risk of scurvy.