Several pieces of technology have been invented to help humans maximize their senses of sight and hearing. For instance, hearing aids help humans hear more clearly. Contacts and glasses help humans see better. Binoculars and telescopes help humans see objects that are far away. In addition to maximizing human senses, technology can also maximize human abilities. For example, airplanes and motor vehicles allow humans to travel farther in shorter amounts of time. Cell phones and computers allow humans to communicate with each other instantaneously. Which of the following makes the best introductory sentence? A.
Microscopes and hand lenses help humans see objects that are very small.
B.
Over the years, technology has improved the way people see, hear, and live.
C.
Forklifts and other machinery allow humans to lift and move very heavy objects.
D.
Although it improves the lives of humans, current technology has its limits.