Which sentence from the text provides evidence that this is a work of science fiction?

A. But the American-built town of cottages, peach trees, and theaters was silent.

B. His wife, before him, seemed almost to whirl away in smoke.

C. The children looked up at him as people look to the sun to tell what time of their life it is.

D. The other passengers whispered away across the Martian meadow, leaving the man alone among his family.

Book: Dark they were, and golden-eyed