Based on the descriptions given, the answer is B: Mass production, assembly line, electricity Cyber-physical systems. This is because the characteristics mentioned - mass production, assembly line, and electricity - are associated with the Second Industrial Revolution, while the third characteristic, "cyber-physical systems," refers to the integration of physical and digital systems that is a defining feature of the Fourth Industrial Revolution. The Fourth Industrial Revolution also includes other advanced technologies such as artificial intelligence, robotics, the Internet of Things, and 3D printing, which were not present in earlier industrial revolutions