Final answer:
Option D is correctly placed according to the FIFO principle, with dates in ascending order from the front to the back of the shelf.
Step-by-step explanation:
Based on the principles of FIFO, which stands for First In, First Out, the correct placement of canned items on the shelves should have the oldest dated items at the front and the newest at the back. Option D is the correctly placed shelf order as it adheres to the FIFO method: (front of shelf) 2/12, 2/15, 2/25, 2/27, 3/1 (back of shelf).