Post-lecture, question 8 sailors of the 18th century would often be at sea for months living on dried bread and meats, water and cheese. after approximately three months on this diet, some sailors would exhibit symptoms of irritability, achy joints and bleeding gums/loose teeth. these symptoms can be explained by:

These symptoms can be explained by: "D. Their diets lacked the Vitamin C necessary for collagen tissue formation and repair."
These are the following choices:
A. Their diet lacked enough protein to make collagen.
B. Their diet lacked the Vitamin B6 so necessary to make non-essential amino acids.
C. Their diets lacked Vitamin B1, so they had impaired energy production
D. Their diets lacked the Vitamin C necessary for collagen tissue formation and repair