<span>¿Invitó a Uds. también?
</span><span>Sí, <u>C. nos</u> invitó.
</span>
Ustedes is used in the plural form, so you need a plural pronoun as well - and <em>nos </em>is the only plural pronoun here.
There is a strong focus on the character in within the story who give us insight to the overall central theme
Answer: The mast looks like it imprisons the moon, like the British imprison the colonists.
In this passage, the "phantom ship" is described. The text states that the mast and spar of the ship look as if they were imprisoning the moon. Therefore, the author compares this to a "prison-bar." It is possible that this is a reference to the way the British imprison the colonists.