Four-Year-Old Karen Can't Remember Anything of the First Few Months

Four-year-old Karen can't remember anything of the first few months of her life. This is best explained by the fact that

A) the trauma of birth interfered with the subsequent formation of memories.
B) most brain cells do not yet exist at the time of birth.
C) experiences shortly after birth are a meaningless blur of darkness and light.
D) she lacked language skills for organizing her early life experiences.