<em>D.
</em>
<em>by telling dramatic, engaging stories about the lives and works of ancient astronomers</em>
The prefix 'dis' means apart, away; that is to move away from something while the prefix 'sur' means over, above.
To dismount means to get off something or to remove a thing from its support. For example: The king dismounted the horse majestically.
To surmount means to overcome a difficulty or an obstacle. For example:
All the political differences between the two countries were surmounted.
The section of the passage most clearly foreshadows that Sasha will run out of gas is C. <span>"Yeah, sure. Just remember the gas gauge doesn't work, so you'll have to keep track in your head."</span>
Homophone, homograph, and homonym
