What Can We Infer from Comparing Several Methods of Testing

Multiple Choice

What can we infer from comparing several methods of testing memory?​

A) Memory is like watching a video recording of the event.
B) ​If you cannot remember something now, you won't remember it later, either.
C) ​How well you remember something depends on how someone tests you.
D) ​Each memory is stored in a different location in the cerebral cortex.