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.

Which of the following is most likely to cause the long-run aggregate supply curve to shift to the left?
Option A:Higher nominal wages.
Option B:A decline in productivity.
Option C:An increase in corporate taxes.

Answer: B