Citrus fruits are rich in vitamin:

 Vitamin C is a water-soluble vitamin that is necessary for normal growth and development. The body is not able to make vitamin C on its own, and it does not store vitamin C. 

It is therefore important to include plenty of vitamin C-containing foods in your daily food such as orange, kiwi, pineapple, tomato, broccoli, cauliflower etc.

Option B is correct.