Greeting's!
<span>a) impatience
___________
</span>
B, that is the only one that makes sense in this sentence. If the sentence was worded differently than it would be, C
You can use the synonym clue in understanding the meaning of the underlined word. The other word synonymous to it might be more familiar to you so it would be a lot easier. The synonym clue says the word in a simple way.
<span>Wrong:
Everyone is welcome! We need some strong people to help with the set up come early.
Correct:
</span>Everyone is welcome! We need some strong people to help with the setup. Come early.