Article: The vitamins   are named by letters of the alphabet  . Vitamin A is needed by the eyes. There is Vitamin A in milk, butter, and green vegetables. It can be kept by the body. Vitamin B cannot be kept. It must be supplied all the time by some of the food we eat. Vitamin C is very important to the body. Without it men's teeth become loose   and their arms and legs get weak. Lemons  , oranges and tomatoes have Vitamin C in them. Vitamin D is the sun vitamin. We get it in milk and eggs and from sunlight on our skin  . There are other Vitamins, but these A, B, C and D, are the most important. 
 Question: There are many kinds of vitamins, the most important of which are   _  . 
 Options: (A) Vitamin A (B) Vitamin B and C (C) Vitamin D and A (D) Vitamin A ,B,Cand D
D