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.

The Austrian economic school attributes the primary cause of the business cycle to:
Option A:misguided government intervention.
Option B:the creative destruction of technological progress.
Option C:#sticky price and wage expectations that exaggerate trends.

Answer: A