When a Drought (Negative Rainfall Shock) Occurs, Farmers Tend to Put

When a drought (negative rainfall shock) occurs, farmers tend to put in less effort than they did before to till their farms because

A) agricultural output falls and even though farmers put in the same level of effort, the effort per hour falls.
B) extra hours of extra labor and capital usage do not yield much extra output.
C) people work hardest when their hard work yields lower returns.
D) they switch to crops that use less water.