The answer would be Getting what you want may not make you happy.
Answer: A. Hugo is getting sick
It can't be B or C because it says Hugo is experiencing BOTH the chills and the sweats.
From your question, I wrote my own story for you- I'm not sure your question was complete or not. Sorry if this isn't relevant.
Boy: John
Girl: Lily
Lily was walking down the hall, clutching some schoolbooks. John was looking in his locker, he then pulled out an enormous book.
Lily looked over, "Oh hey, John.. How are you?"
"Who are you?" John asked, confused.
"Oh- uh.. I'm Lily..." She said.
"The shy girl from 9th grade?" He inquired.
"Yeah," Lily replied.
"Well, nice to meet you," John said, "I gotta go to class now."
The answer is A. not long after
Example: Bob forgot to lock the door. Not long after a thief noticed the unlocked door and stole all of Bob's valuables.