求助

merrychord

Developing nations in various parts of the world have amassed $700 billion in debts; at stake, should a significant number of these debts be repudiated, is the solvency of some of the worlds largest multinational banks.
(A) should a significant number of these debts be repudiated, is
(B) should a significant number of these debts be repudiated, are
(C) should they repudiate a significant number of these debts, are
(D) if there is a repudiation of a significant number of these debts,would be
(E) if a significant number of these debts will be repudiated, is
为什么要用IS呢？

Kilroy

is 前面的主语是should a significant number of these debts be repudiated整个句子吧

michaelwu64

我想这个句子原来应该是：if a significant number of these debts should be repudiated, the solvency of some of the world’s largest multinational banks is at stake. 为避免头重脚轻，将at stake提到前头形成倒装。当然should提前也是倒装啰。所以要用is.

merrychord

谢谢拉，明白了

princess

补充一点：
此句中，从句（should a significant number of these debts be repudiated）使用了虚拟语气，而主句没有。主要因为should表示的可能性不大，所以主句可以不用虚拟语气

z_weining

关注一下e选想
if a significant number of these debts will be repudiated, is 和
整理后的a选想
if a significant number of these debts should be repudiated, is
就只差在虚拟语气上，
所以就此补充princess关于虚拟语气的说法，
另外，gmat中倒装优先：）