The Hypothesis in the Crum and Langer Hotel Experiment Was

The hypothesis in the Crum and Langer hotel experiment was that:

A) elderly people, who were led to believe that their health was "poor,"have more health problems than those who perceived their health was "excellent."
B) there was a positive correlation between perception of health and longevity.
C) changing a person's beliefs and perceptions about the exercise benefits of a particular activity would result in actual health benefits.
D) there was a negative correlation between perception of health and longevity.