Option (d) is correct.

According to the passage, in Spain and Ireland households had borrowed heavily to finance a major housing and construction boom. When housing prices collapsed, the two national governments started borrowing heavily from abroad to finance national bank bailouts and to stimulate their economies. As option (d) Spain and Ireland, is only option having these two countries along with Portugal which is also among one of the major Eurozone debtors therefore option (d) is most appropriate among all.

विकल्प (d) सही है।

गद्यांश के अनुसार पुर्तगाल, स्पेन और आयरलैंड में परिवारों पर अत्यधिक उच्च उधारियाँ थीं।