Mozilla Firefox uses . . . . . . . . engine. A. Blink B. Webkit C. Dlink D. Quantum

The correct answer is D. Quantum.

Blink and Webkit are both rendering engines used by other popular browsers, such as Google Chrome and Safari, respectively. Dlink is not a rendering engine.

Quantum is a new rendering engine developed by Mozilla for Firefox. It was first released in 2017 and is based on the Gecko rendering engine. Quantum is designed to be faster, more efficient, and more secure than previous versions of Firefox.

Here is a brief description of each option:

• Blink: A rendering engine developed by Google. It is used by Google Chrome, Opera, and other browsers.
• Webkit: A rendering engine developed by Apple. It is used by Safari, Chrome, and other browsers.
• Dlink: A networking company that develops and sells networking equipment.
• Quantum: A rendering engine developed by Mozilla for Firefox. It is based on the Gecko rendering engine.