Answer:
C. approximately seven meaningful items.
Step-by-step explanation:
Short-term memory -
It refers to the capability of the mind to fit small amount of information in the mind for a short time span , is referred to as short - term memory .
It is also known as primary memory , or active memory .
In a short term memory , around 7 items can be remembered by the time .
For example , learning some sequence of characters or letters , phone number etc.
Hence , from the given information of the question ,
The correct answer is c.