The question is about reading comprehension. The authors claim in the passage is that the disagreement about who driverless cars should protect can stall their production. Hence the correct answer is B.
One way to identify reading comprehension is to pay attention to what is being said at the beginning of a paragraph and at it's end.
The introduction of any text is important, the first sentence of a new paragraph usually holds clues too with regard to the central idea of the claim that the writer is trying to communicate.
Learn more about reading comprehension at:
https://brainly.com/question/1241971