"living in exile"
This is referred to as living in exile, because the 24th row is the "x-aisle", which is a play on the word "exile" because that's what it sounds like out loud. Typically, this is used as a joke or a pun in algebra or another math class.
C.) p<span>olio is a contagious *disease* that has mostly been eradicated.</span>
I would say the correct answer is girls had laughed a little nervously.
Based on this clause, we can deduce something about their personality, and that is that they are happy kids who want to laugh all the time but they are not allowed to. The other options are either direct characterization or not characterization at all.
