Answer:
C. specific phobia.
Explanation:
Specific phobia: In abnormal psychology, the term specific phobia is defined as a type of anxiety disorder in which an individual feels an irrational or unreasonable fear due to the exposure to a particular situation or object and because of this the person avoids that particular situation or object and often depicts them. An individual generally develop specific phobia in his or her childhood days.
Example: fear of insects, public place, animals, lift, etc.
In the question above, Alfred is diagnosed with a specific phobia.