The correct answer is B. Robots.
Robots are machines that can be programmed to perform a variety of tasks, and they are often used in manufacturing and other industries. They are also becoming increasingly common in homes and businesses, where they can be used for tasks such as cleaning, cooking, and security.
Flexible manufacturing is a type of manufacturing system that can be easily changed to produce different products. Numerical control machines are machines that are controlled by computers, and they are often used in manufacturing to produce precise parts. Computer graphics workstations are computers that are used to create and edit graphics, and they are often used in design and animation.
Of the above options, robots are the most likely to be associated with automation by the general population. This is because robots are often seen as being the most advanced form of automation, and they are often used in tasks that are dangerous or difficult for humans to perform.