(NOT LINKS) George takes a photograph of a rectangular window that is 3 1/2 feet tall and 1 3/4 feet wide. He prints the photograph on paper so that the image of the window is 1/2 foot tall and 1/4 foot wide. What is the ratio of the area of the window to the area of the image of the window?
A. 1:49
B. 1:7
C. 7:1
D. 49:1​