And before we judge them too harshly we must remember what ruthless and utter destruction our own species has wrought, not only upon animals such as the vanquished bison and the dodo, but upon its own inferior races. -H. G. Wells, The War of the Worlds

This passage is from a science fiction story about an alien invasion of Earth.
What effect does the phrase "ruthless and utter destruction most likely have
on readers?

A. It makes people feel proud of the history of colonialism.

B. It causes people to think seriously about the dangers of technology

C. It builds suspense because its tone is calm but its words are disturbing.

D. It makes people laugh, as its idea is ridiculous!