What Did One Philosopher Mean When, in the Last Third

What did one philosopher mean when, in the last third of the twentieth century, she proclaimed that people had become cyborgs?

A) Technology had advanced so greatly that transplants, artificial limbs, contact lenses, and other intrusive medical innovations had become a regular part of life.
B) People had become so fascinated with outer space that they were more interested in space technology than they were in their own lives.
C) People had become so reliant on machines that they were no longer self-sufficient; instead, they needed machines to sustain ordinary life processes.
D) Modern culture was so alienating that people in society functioned more like machines than sentient beings.