AP English Language

The best concluding sentence is: D.The telephone has connected people across long distances and changed the way we interact.

Here’s why:

This sentence directly supports the topic sentence by emphasizing the positive impact of the telephone on communication, which is the main idea of the topic. It highlights how the invention enabled communication over long distances, reinforcing the revolutionizing effect mentioned in the topic.

Why the other options are less suitable:

A."The telephone only works in short distances.": ...