The right answer is maintenance rehearsal.
The rehearsal maintenance is the process of mental support to keep information for more time in the short-term memory, this is done through repeated verbalizations of the information.
Short-term memory is one of the storage processes of information that human beings have. It stores the information for 20 seconds, by means of the maintenance test the information can be maintained for up to 30 seconds.
I hope this information can help you.
