Which of the Following Characteristics Define the Short Run in Macroeconomics

Multiple Choice

Which of the following characteristics define the short run in macroeconomics?

A) Factor prices are exogenous, technology and factor prices are endogenous.
B) Factor prices adjust to output gaps, and technology and factor supplies are constant.
C) Factor prices are exogenous, and technology and factor supplies are changing.
D) Factor prices are exogenous, and technology and factor supplies are constant.
E) Factor prices adjust to output gaps, and technology and factor prices are changing.