[逻辑小分队] 狒狒58题求助！！！！！！！！！！！！！！

58. Some people saythat the scarcity of food is a function of the finite limits of the earth’sresources, coupled with a relentless rate of population growth. This analysisfails to recognize, however, that much of the world’s agricultural resourcesare used to feed livestock instead of people. In the United States, forexample, almost one-half of the agricultural acreage is devoted to crops fed tolivestock. A steer reduces twenty-one pounds of inexpensive grain to one poundof expensive meat. Thus, the scarcity of food is not merely a function oflimited resources and population growth.  Which one of thefollowing is an assumption that would allow the conclusion in the argument tobe properly drawn? A.      Peopleprefer eating meat to eating grain. B.       Meat istwenty-one times more expensive than grain. C.       The limitsof the earth’s agricultural resources are not finite. D.      More thanone-half of the agricultural acreage in the United States is devoted to dropsfed to humans. E.     Growing cropsfor human consumption on the acreage currently devoted to crops for livestock will yield morefood for more people.  求大神讲解一下这道题啊啊啊啊 自己想很久都没想明白。另外我不是很明白题干它到底叫我做什么，是由argument推出下面选项哪个正确吗还是要去削弱argument。。。