Which of the Following Infants Is Most Likely to Refuse

Multiple Choice

Which of the following infants is most likely to refuse to cross the deep side of the visual cliff?

A) Abbie, who has 3 days of crawling experience
B) Bart, who has 4 weeks of crawling experience
C) Crystal, who has 2 months of crawling experience
D) Din, who has 4 months of crawling experience