Which One of the Following Statements Is Not a True

Which one of the following statements is not a true statement?

A) A demand shock like the recession of 2009 created a recessionary gap.
B) A demand shock like the recession of 2009 led to the leftward of the demand curve for labour.
C) A demand shock like the recession of 2009 led to speedy downward adjustment of equilibrium wage rate.
D) A demand shock like the recession of 2009 led to recessionary gap and cyclical unemployment.