To remember the four bases found in DNA—thymine, guanine, adenine, and cytosine—Luke makes up a sentence using the first letter from each base as the first letters for his words, repeating to himself, "The Girl Ate Cookies." Which of the following did Luke use in this scenario?
(a)-The method of loci
(b)-A mnemonic device
(c)-Chunking
(d)-Rhyming