According to Deborah Stone, which of the following is an example of a story of helplessness and control?

a. We can cut the number of cancer deaths if people quit smoking and change their diets.
b. We can cut the inflation rate if the Federal Reserve Board intervenes with a tight monetary policy.
c. The increasing number of car accidents is the result of automakers cutting costs by willingly accepting design flaws in automobiles.
d. All of the above are examples.

d. All of the above are examples.