A certain level of anxiety will promote problem solving and constructive action. This level will assist a student facing an examination and is called:

A. Severe anxiety: Severe anxiety impairs function and concentration. It is not helpful in problem solving and is often overwhelming. B. Panic: Panic causes disorganized behavior and inability to think clearly. It impedes, rather than supports, problem solving. C. Mild anxiety: This level of anxiety enhances focus, problem-solving, and constructive action. It can help a student concentrate and prepare effectively for an examination. D. Moderate anxiety: While moderate anxiety can still allow problem-solving, it narrows the perceptual field and may cause difficulty in processing information.