Which example BEST shows how “chunking” benefits memory performance?

a. The numbers 1, 4, 9, 2, 1, 7, 7, 6, 1, 9, 4, and 1 are more likely to be remembered if memorized as “1492,” “1776,” and “1941.”
b. A long list of words is better remembered if the words are organized categorically.
c. A face is more likely to be later remembered if its individual features are studied carefully.
d. The names Terry, Bob, Bill, Jack, Fred, Sam, Anthony, Ed, Peter, and Michael are more likely to be remembered if they are alphabetized.