Which of the Following Results in a Movement Along the Supply

Multiple Choice

Which of the following results in a movement along the supply curve of spinach but does not shift the supply curve of spinach?

A) Disastrous weather that destroys half of this year's spinach crop
B) An increase in wages for workers in spinach fields
C) A rise in the price of spinach
D) Great weather that produces a bumper spinach crop this year