单项选择题
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)