What do u need help with? Like there is just scribbles everywhere gotta be more specific
What is directly communicated and requires little interpretation? I'm going on a whim here.... An answer to a question
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.