Final answer:
The Grand Challenges of Engineering do not include reverse engineering the brain.
Step-by-step explanation:
The Grand Challenges of Engineering are a set of goals defined by the National Academy of Engineering to address important social and technological issues. The correct answer is d. Reverse engineer the brain. This is not one of the Grand Challenges of Engineering. The other options a. Secure cyberspace, b. Improve urban infrastructure, and c. Driverless vehicles, are all valid Grand Challenges of Engineering.