Sam Recently Watched the Movie Eternal Sunshine of the Spotless

Multiple Choice

Sam recently watched the movie Eternal Sunshine of the Spotless Mind and became fascinated with the concept of memory and how it is stored in the brain. In the movie, the protagonist tries to forget his ex-girlfriend by undergoing a procedure that destroys the neural circuits that stored all his memories of their relationship. Sam decides to read up on the physiological basis for memory to get a better understanding of how it works.
-Sam reads online about Wilder Penfield's experiments and was astonished by them.What was so exciting about Wilder Penfield's experiments

A) He uncovered the memory trace.
B) He was able to transfer memories from one tapeworm to another.
C) He discovered the chemical code for memory.
D) He showed that the cortex houses exact "tape recordings" of the past.