Answer:
d. storage
Explanation:
There are three main processes involved in the development of memory including encoding, storage, and retrieval.
Storage: The term storage refers to the second stage in the memory process which is responsible for maintaining a particular piece of information in the brain over a period. If the information present in the storage stage being rehearsed well then an individual gains the capability of remembering that particular information for a long period.
In the question above, Shayla can hold memory in the storage stage for an extended period.