Which Statement Best Describes the Work of Janet Werker of the University

Multiple Choice

Which statement best describes the work of Janet Werker of the University of British Columbia who studies infant language development

A)  She has done pioneering work to show that infants language development is based on the tools given to them by their parents. 
B)  She has done pioneering work to show that infants language development is related to their emotional development. 
C)  She has done pioneering work to show that infants are like blank slates. 
D)  She has done pioneering work to show that infants come prepared to learn language as evidenced by the notion that babies have perceptual biases that facilitate sound production.