When clearing a semi-automatic handgun, what is the correct procedure?

When clearing a semi-automatic handgun, what is the correct procedure?

• A. Turn the manual safety to the right, remove the magazine, and visually inspect the chamber.
• B. Engage the magazine release, remove the magazine, pull the slide to the rear, lock it in the open position, and physically/visually inspect the chamber.
• C. Press the trigger while pointing the gun in a safe direction, then pull the slide rearward and visually inspect the chamber.
• D. Rotate the barrel clockwise to disengage the magazine, then pull the slide forward, visually inspecting the chamber.

Answer: (B)