Regarding the Inverted Vision Experiments, Which of the Following Was

Regarding the inverted vision experiments, which of the following was NOT one of the findings?

A) Participants in the experiment reported that head movements made the world swing violently through space, causing severe headaches and nausea.
B) At first, the participants found the simplest tasks, such as walking and eating, incredibly difficult.
C) After several days, the participants began to adapt to the inverted vision and could perform routine activities with some successfully driving a car.
D) The participants knew that adaptation to the inverted vision goggles was complete when the visual images appeared to be turned upright again.