33. Which of the following issues is less likely to cause controversies?
(A) who is to be responsible for a dog that gets hit by a self-driving car
(B) how many self-driving cars can be allowed on the roads
(C) what is the rate for loaning a self-driving car
(D) can self-driving car know what to do when it runs out of gas on the highway

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統計： A(16), B(13), C(32), D(14), E(0) #1146291