Catastrophe Theory Questions All of the Assumptions of Inverted-U Theory,but

Catastrophe theory questions all of the assumptions of inverted-U theory,but one in particular is pivotal.

A) As anxiety and arousal increase,performance decreases.
B) Small incremental increases in arousal result in small incremental increases or decreases in performance.
C) Moderate arousal results in optimal performance.
D) A smooth bell-shaped curve relationship exists between arousal and performance.