[Her surprise is easily noted, and yet Connor oddly does not looks so surprised himself. He remembers what 9S told him, about how he had never met humans at all until he left Earth; it doesn't take a detective android to put two and two together, and assume that her experience with humans is just as lacking.]

I do. My work partner is a human. [A gruff and grouchy human, but human nonetheless.] The CyberLife headquarters which I return to when I'm not working is operated by many human hands. Earth's population is in the billions.

[He could keep going, but he instead decides to watch her reaction. To allow time for questions to come forth, because surely she has a few, he thinks.]