A Study of 1-Year-Olds Who Were Presented with New,strange Objects

A study of 1-year-olds who were presented with new,strange objects (like jiggling toys,for example) revealed that

A) babies almost always reached for the new objects.
B) babies almost never reached for the new objects.
C) the mothers' facial expressions influenced whether or not the babies touched the objects.
D) unless they were accompanied by spoken encouragement or warnings,mothers' facial expressions had no influence on the babies' behavior.