请教OG CR 13题

assfgrtrtr

Defense Department analysts worry that the ability of the United States to wage a prolonged war would be seriously endangered if the machine-tool manufacturing base shrinks further. Before the Defense Department publicly connected this security issue with the import quota issue, however, the machine-tool industry raised the national security issue in its petition for import quotas.

Which of the following,if true, contributes most to an explanation of the machine-tool industry's raising the issue above regarding natinoal security?
(C)The machine-tool industry encountered difficulty in obtaining goverment protection against imports on grounds other than defense.
这道题答案是B，可是我看不出来这题的逻辑关系，所以也看不出来为什么B就对了
请大虾指点迷津

himba

Which of the following,if true, contributes most to an explanation of the machine-tool industry's raising the issue above regarding natinoal security? 解释就是问你对于文中的矛盾点给出的说法 不用逻辑推论，只要根据原文给的信息判断就可 文中说，国防不担心他们没有能力打持久战，如果 machine-tool industry 继续shrink 而 machine tool industry却反而在国防部把进口条款和安全条款联系起来之前，继续要求进口 这就是明显的矛盾了 C正好说明