An Individual's Labour Supply Curve Might Shift to the Left

Multiple Choice

An individual's labour supply curve might shift to the left because

A) an increase in the future real wage leads to an increase in the amount of labour supplied.
B) an increase in the current real wage leads to a decrease in the amount of labour supplied.
C) an increase in the future real wage leads to a decrease in the amount of labour supplied.
D) an increase in the current real wage leads to an increase in the amount of labour supplied.