The Macroeconomic Interpretation of a Trade Deficit for a Country

Multiple Choice

The macroeconomic interpretation of a trade deficit for a country utilizes which one of the following expressions (where Y = national income, C = consumption, I = investment, G = government spending on goods and services, X = exports, and M = imports) ?

A) Y + (C + I + G) = (X - M)
B) (C + I + G) - Y = (X - M)
C) (C + I) - G - Y = (M - X)
D) Y - (C + I + G) = (X - M)