what is the central idea of the article? a. driverless cars and other autonomous robots are currently unavailable to the general public because they cannot be controlled. b. autonomous robots are no more ethical or unethical than humans in their decision- making process but need to be held accountable for their actions. c. autonomous robots are unethical since they do not have the same decision-making capabilities as humans, so they will not be available to the general public. d. driverless cars and other autonomous robots are a real possibility in our future, whether or not they can be taught to act ethically or be held accountable for their actions.