Which of the Following Is NOT One of the Explanations

Which of the following is NOT one of the explanations for infantile amnesia?

A) Brain circuits responsible for storing memories of events develop more slowly than regions for other memories.
B) The hippocampus is a late-developing brain structure and is involved in memory.
C) The young brain may not be able to transfer information from the hippocampus to other areas of the cortex.
D) The young brain produces less of the neurotransmitter acetylcholine that is necessary to store long-term memories.