Correct answer is (c) C
The explanation is: Vitamin C is essentially Citric Acid. It is found in citric fruits like oranges and lemons. Necessary amounts are needed to keep away colds and reduce the levels of toxicity of the body. It helps keep the skin clean and pimple free but it is still acidic in nature. Excess consumption of Vitamin C can cause the acid to react with the bones where most of the minerals are and causes the bones the bones to become weak.