Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Equality between aggregate expenditure and aggregate output implies that the government’s fiscal deficit must equal:
Option A:Private saving – Investment – Net exports.
Option B:Private saving – Investment + Net exports.
Option C:Investment – Private saving + Net exports.

Answer: A