What is the primary function of the sear in a hammer-fired pistol?

What is the primary function of the sear in a hammer-fired pistol?

• A. Retain the hammer in the cocked position until the trigger is pulled.
• B. Prevent the hammer from moving unless the trigger is pressed.
• C. Release the hammer automatically after a delay.
• D. Indicate the firearm's status to the user.

Answer: (A)