The correct option is B.
Vitamin B12 are a set of water soluble related substances, which are very important for the proper functioning of some body enzymes and they are usually found together in the same food. Foods that are rich in Vitamin B12 include:meat, fish, poultry, egg and dairy. Some people who are vegetarians and who do not eat these kind of food will benefit greatly from taking vitamin B12 supplement.
If a person that doesn't have food that is necessary for life, growth, and good health, it means that person is undernourished.
Growth is physical like weight and length. development is more how the child interacts. Are they speaking and crawling/walking at appropriate times.