The configurations of the defined route-policy Set-cost are as follows:
Which of the following statements is true?
A. The route 10.1.0.0/16 matches node 10 and its cost is set to 300.
B. The route 10.1.0.0/16 matching node 10 also matches node 20 subsequently and its cost is finally set to 200.
C. Costs of all routes will be set to 200.
D. All routes that fail to match node 10 will be denied.