Which sentence from the passage is a minor supporting detail? A. In factories, robots perform hazardous tasks; in homes, they vacuum the floor. B. There was a time when robots and home automation wer

Which sentence from the passage is a minor supporting detail?

A. In factories, robots perform hazardous tasks; in homes, they vacuum the floor.

B. There was a time when robots and home automation were just a fantasy.

C. The rise of automated systems has also cost workers jobs.

D. A single robotic "arm" or "hand" could do the work of several humans.