【单选题】

(At a party)Adam: This is a great apartment.Tammy: I think so, too.______Adam: No, I'm Adam. I came with Carl. I don't really know anyone here. Carl's told me about most of his friends, but I can't match the names with the faces.
A．Excuse me, but do I know you

B．Excuse me, could I know you
C．Excuse me, do you mind telling me your name
D．Excuse me, but do you know me