She's about to argue the literal child soldier thing, but she honestly knows she wouldn't get too far. It's how this world works, telling as it is, and they have much farther to go. So she merely says, "Hmm." And then she's reading on.

After reading the bit about working with Zack, her one comment is, "He does seem like that kinda guy. Glad I didn't have him pegged wrong."

The rest of it, Fred read without comment. But she can't help but to frown, and by the time she reaches Hojo, there are tears on her face. "Oh no," she practically whispers, and she looks up to Cloud. "I'm so sorry, Cloud. For all of you. I- I'll keep reading, I know there's a bunch more, but this is not something anyone should've had to go through."