Which Statement About Arousal and Arousal Theory Is FALSE

Which statement about arousal and arousal theory is FALSE?

A) Arousal theory states that people are motivated to obtain an optimal level of arousal.
B) For any task, there is a measurable level of optimal arousal that is the same across all people.
C) Arousal theory accounts for the role of curiosity in motivating people's behavior.
D) Compared to low or high levels of arousal, moderate levels are linked to higher levels of performance.