human
Question: 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. We can get Vitamin D when   _  .

Choices:
A) we have bread and butter for our breakfast
B) we are eating fruits
C) we are working in the field in the sun
D) we are having eggs
gpt
The correct answer is 2: we are working in the field in the sun.