Given the name of the phobia:

A phobia of pain.

Algophobia

The correct answer is ☀ Algophobia. Algophobia is the fear of pain. It is an irrational or disproportionate fear that can cause people to avoid anything that might cause them pain, such as medical procedures or even minor injuries.

The other phobias you mentioned are:

• Acrophobia is the fear of heights.
• Altophobia is the fear of falling.
• Autophobia is the fear of oneself.