D.) Run away.
This is the safest option, since you haven't been seen. A and B are dangerous because you don't know whether or not the robber is armed. Calling the police will betray your location. Running away will give you much more time. You can also ask other people for help and call the police once you get to a safe distance.
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Answer:
The correct answer is - obsessive-compulsive disorder.
Explanation:
Obsessive-compulsive disorder or OCD is a condition or disorder in which a person can not control his thought or fear about anything that is not necessary. It leads to repetitive behavior.
In this case, Alex has impulsive and repetitive behavior to wash his hand again and again due to fear of germs.
Thus, the correct answer is - obsessive-compulsive disorder.
Afterlife my friend or whatever you believe in
The answer to this question is B