Which of the following best provides the important information in the bold sentence from the passage. Incorrect answer choices leave out essential...

A Prompting is the easiest way to retrieve short term memory after an extended period of time.

B A memory can be retrieved by prompting, in a case where it has been rarely used.

C It's easier to remember short term memories than long term memories due to regular prompts.

D Recalling a long term memory that is often used is easy, while forgotten memories often require prompting.