In each question below, two sentences or parts of sentences are given with two blank spaces between them. From among the three parts/sentences given below, pick two which can fill up the blanks to meaningfully complete the sentence.
The world's most powerful nations were warned (____) (____) and trigger mass social unrest.
(A) that could cost millions of jobs around the globe
(B) that international economy was on the brink of a deep new economic crisis
(C) that the only solution was pumping a huge amount of money in the economy