Is participating in a demonstration what, I need more.
Abraham is using "maintenance rehearsal" to keep the information active in his working memory.
Maintenance rehearsal refers to a kind of short-term memory which is good to keep the information for a short time span also known as working memory but this is not useful method to keep the information into long term memory.
Answer:
Pretty confident its A. (if you get it wrong the first time then its D)
C and B I can say are definitely not right.
I would say J.D Salinger because his first original work wasn't published until 1965 so he could have been an american author famous in the 1950s if his first work wasn't till 1965
Its C, The result of the "dear aunt jane" experiment.