When an emerging market economy (EME) carries a significant portion of its public debt in a foreign currency, it becomes highly vulnerable to exchange rate fluctuations. A depreciation of the domestic currency increases the local currency value of the foreign currency-denominated debt, making debt servicing more expensive and potentially unsustainable. This vulnerability is a key concern for economies with substantial foreign currency debt.

B is incorrect: While access to international capital markets is a general risk for EMEs, it is not directly linked to carrying debt in foreign currency. This vulnerability arises from broader creditworthiness concerns.

C is incorrect: EMEs may monitor global central banks (e.g., the Fed), but foreign currency debt does not create reliance on their monetary policies. The domestic central bank remains responsible for managing monetary policy.

D is incorrect: Exchange rate concerns can influence fiscal policy, but the primary vulnerability of foreign currency debt is its sensitivity to currency depreciation, not its effect on fiscal policy flexibility.