Use the following image to answer the question:
Flowchart with 6 boxes. Box A sits at the very bottom of the left side of the flowchart, which flows into Box B. Box B flows into Box C. Box C flows into Box D. On the bottom of the right side of the flowchart, Box F flows into Box E, and Box E flows into Box D. Box D is the highest point in the flowchart.
Which section of this diagram represents the highest court that has the power to rule that a law violates the U.S. Constitution?
a. A
b. B
c. F
d. D