He stops for a second when the cat jumps on him, surprised by the sudden movement. Then the cat starts talking. Out of habit, his sensors check if he's looking at a robot. Usually a talking animal was an animal model. Immediately his sensor reminds him of the heat signature the cat has. Conclusion: It's a cat.

"Hi. Are you one of the servants on this ship?" he asks as he starts to resume moving the rubble to find the larger person trapped under.