Respuesta :
The word that remind the reader that this story is set in space is, Busy spaceport.
What is space?
Space is the infinite three-dimensional expanse of space where things and events have relative positions and directions.
What is a spaceport?
A spaceport or cosmodrome is a location for launching or receiving spacecraft. The terms "spaceport" and "cosmodrome" have historically been used to refer to locations where spacecraft can be launched on interplanetary or orbital missions.
Because in the given text, In the shifting moonlight, his battered green face expressed ignorant perplexity as he stared across the busy spaceport. The word "busy spaceport" symbolizes that the text is in relation to something that is related to space. Thus, the word that reminds the reader that this story is set in space is "busy spaceport." The word spaceport gives the image of a location for launching or receiving spacecraft.
Hence the correct option is, d. Busy spaceport
To know more about spaceport:
https://brainly.com/question/16576314
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