Adrianna and her mother have been playing patty-cake, but mother is now trying to egage Adrianna in a picture book. Adrianna wants to play patty-cake again, so she grabs mother's hands and puts them together as if in a clap.
Adrianna is clearly in which stage of sensorimotor development?

A) Sensorimotor Stage 1
B) Sensorimotor Stage 2
C) Sensorimotor Stage 3
D) Sensorimotor Stage 4