All of the Following Statements About Social Play Are Supported

All of the following statements about social play are supported by research except

A) mothers are more likely than fathers to use play as an opportunity for teaching infants about words and routines
B) play with peers and siblings appears to be universal and begins at a very early age
C) adult-infant play often consists of singing games with hand and arm movements
D) there are few cross-cultural differences in the way that parents play with their infants