In Addition to Her Demonstration That 2- and 3-Month-Olds Can

In addition to her demonstration that 2- and 3-month-olds can learn to kick vigorously when it results in movement of a mobile, what else did Rovee-Collier demonstrate with respect the development of infant memory?

A) They can remember for a few days without a prompt and for at least 18 days with a prompt.
B) They can remember only if given a prompt, whether tested at 3, 7, or 18 days.
C) They can remember for a few days without a prompt but cannot retrieve the memory after 18 days even with a prompt.
D) They cannot remember when tested at 3 days even if given a prompt.