The best definition i would say is C
There are many different ways that this could be answered, but I believe that the answer is B, Safety. This is because self driving cars are programmed to work by following rules e.g. staying in the lines, stopping at the traffic lights etc. Also, they have no emotion so they can't flip out and drive like crazy and can't be rebellious as they aren't programmed like that. However, if they aren't programmed properly there would be havoc and chaos.
They use artifacts in literature in order to develop the plot & the characters.<span>
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The word “fictitious” means not real or true, when something is imaginary. In this case on paragraph 2. When they said they create totally fictitious worlds, they mean made up worlds.
A. Mostly because structures are a way to organize text and there are many that organize the text diferent ways.