Lacey is at her house, which is located at (2, 4) on a coordinate grid. She wants to go to a bookstore that is located at (1, 6). Which route could she take? Assume 1 unit = 1 mile. A. 1 mile to the right and 6 miles up B. 2 miles to the left and 1 mile up C. 6 miles to the right and 1 mile up D. 1 mile to the left and 2 miles up