Which of the Following Would Result in a Movement Along

Multiple Choice

Which of the following would result in a movement along, but not a shift of the supply curve for spinach?

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