Which choice completes the text with the most logical and precise wor… | Verbal SAT Question

During the 2007–2010 financial crisis, the United States furnished billions of dollars to selected countries’ central banks via mechanisms called swap lines. Aditi Sahasrabuddhe found that countries’ policy environments seem to have been __________ swap-line decisions: the probability that banks would be granted swap lines was 0.20 in countries open to foreign-capital inflows and 0.03 in countries with policies restricting such inflows.

Which choice completes the text with the most logical and precise word or phrase?

predicated on

mediated by

material to

decoupled from