What Were the Results of Studies Comparing the Earliest Memories

What were the results of studies comparing the earliest memories of White versus Asian adults?

A) Childhood memories of Chinese adults are more likely to include emotions and less likely to involve family activities than the childhood memories of American adults.
B) American mothers talked about past events more with their 3-year-old children than Korean mothers did.
C) There were no significant differences in the time of the events recalled by the adults.
D) Korean adults have earlier memories than American adults do.