Which of the Following Are the Defining Assumptions of the Long

Multiple Choice

Which of the following are the defining assumptions of the long run in macroeconomics?

A) Factor prices are exogenous,and technology and factor supplies are changing.
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 constant.
D) Factor prices have fully adjusted to output gaps,and technology and factor supplies are changing.
E) Factor prices are exogenous,and technology and factor prices are exogenous.