此题咋解？？？

diawpfm

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 world's 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 theyrepudiate 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

这题怎么解？？？

at stake,

should a significant number of these debts be repudiated, is
                the solvency of some of the world's largest multinational banks.

这句的正常语序是什么样的？？

should在这里为什么可以提前？？？

牛人帮帮忙～！！

echo_me

倒装，the solvency is at stake..

diawpfm

那should a significant number of these debts be repudiated怎么也是倒装的？？？