Gia's mother hides a rattle under a blue blanket, has her find it a few times, and then hides the rattle under a pink blanket. Gia proceeds to look for the rattle under the blue blanket. Gia is showing _____ and is probably _____ old.A. means-end behavior; 2-years-old
B. A-not-B error; 10 months to a year old
C. A-not-B error; 2-years-old
D. object permanence; 10 months to a year old