its gonna be answer B because wheat is needed for a lil bit of almost everything such as flour bread and other doughs, corn is use d as feed for meat animals, cows pigs and chickens and also as food for humans, also corn meal. soy beans are being used to credat a healthier (so they say) kind of alternative for meat it can also be used for making biofuels,and cabbage as food as well. hope this helps