D. Which of his or her friends should write a letter
Answer:
B
Explanation:
I believe the answer is B
<span>Applicant 4 is qualified to be a Radiologist, applicant 3 is qualified to be an Orderly, and applicants 1, 2, and 4 are qualified to be Biomedical Engineers.</span>

Panic disorder.
You feel terror that strikes at random. During a panic attack, chest pain, and feel palpitations. Sometimes you may feel like you’re choking or having a heart attack.
Social anxiety disorder:-
Also called social phobia, this is when you feel overwhelming worry and self-consciousness about everyday social situations.
Specific phobias.
You feel intense fear of a specific object or situation, such as heights or flying. The fear goes beyond what is appropriate and may cause you to avoid ordinary situations.
Generalized anxiety disorder.
You feel excessive, unrealistic worry and tension with little or no reason.
HOPE IT HELPS YOU
The internet affects collective behaviour, because it spreads ideas and opinions rapidly, and can be viewed by many people. The internet is a strong tool that can be used to change people's perspectives and can make people do what they previously would not think of doing (for example; trends).