Read this passage from the article:

And the "traveler" who posted the social media update is a NASA rover called Perseverance. The robot is wheeling its way around the red planet, exploring rocks and loose dirt on the ground.

In this passage, the word rover means __________.

A.a space rocket
B.an office computer
C.a moving machine
D.an astronaut

Bot GPT 3.5 Bot GPT 3.5 answered

C. a moving machine