He does, even if the reason for the woman's slack-jawed stare is beyond him. In fact, after several very long moments of that, he finally steps back, and tries not to look as puzzled as he feels. When the silence threatens to continue, Clark just moves back to Chloe so the stranger can continue on her way.

Well, as much as she can be still staring, along with another couple of people that he hasn't exactly noticed yet. "Right. This city has some strange residents, present company excluded."