Clark turned to look at her. "This rock?" He wondered what she meant by that. He shook her hand in reply, remembering the manners he was taught. "Clark Kent."
Then he looked a little worried when Jaina mentioned the attack. "Umm... wait, you saw that? Exactly, uhh, how much of it did you see?" Last thing he wanted was for the whole town to know about it. Humans weren't likely to accept aliens with open arms yet.