Originally posted by Morgana:
Nodding his head he agreed with her, "I am normal." But he was thinking, <Normal for an Earth man, not a Kryptonian.>
I could be wrong, but since GGGOH took place before The Foundling, Clark would not know he's Kryptonian.
This story is turning into a better version of GGGOH! Thanks to Artemis for the answer to that one. All I can say, it was in the script and the show so it had to be there, somewhere.