Why is the SAP Cloud SDK Continuous Delivery Toolkit future-proof?

Why is the SAP Cloud SDK Continuous Delivery Toolkit future-proof?
A . The toolkit utilizes Jenkins and its huge plugin ecosystem in a Docker image.
B. The toolkit adds a local download cache that is tamper-proof.
C. The toolkit ensures that builds are NOT dependent on manually installed artifacts.
D. The toolkit validates that remote calls are wrapped in a Hystrix command.

Answer: D