Which Statement Best Summarizes the Conclusions of Kellman and Arteberry's

Which statement best summarizes the conclusions of Kellman and Arteberry's (2007) habituation experiment regarding infant perception of "wholeness" of an object?

A) Motion cues helped the identification of the whole form.
B) Boys' form perception is superior to that of girls.
C) Form perception is innate and highly accurate.
D) Subjective contours are invisible to infants.