Toni has to remember her shopping list, which contains the following items: lemons, saw, beer, napkins, apples, lettuce, nails, cups, juice, newspaper, magazine, milk, and screwdriver. She decides to mentally place the items in categories: (1) lemons, apples, lettuce; (2) beer, juice, milk; (3) saw, nails, screwdriver; (4) newspaper, magazine; and (5) napkins, cups. Which method did Toni not use in this process?
A. Chunking
B. Long-term memory
C. The Brown-Peterson distractor technique
D. Short-term memory