Variant 1 You could have come first and won the race if you … faster

28. The author of the passage thinks that ...

A) many cars will not be driven by humans when unmanned cars come into existence.

B) road users rely heavily on self-driving cars due to their technological advantages.

C) current technology is insufficient to meet safety needs on today's roads.

D) precautions taken by the British were not as effective as those of the Nevada government.

29. It can be understood from the passage that …

A) the designs of self-driving cars will be more attractive than current ones.

B) the technical features of self-driving cars will make them expensive at first.

C) promoters of the self-driving cars believe these cars will have several benefits.

D) we need to build special roads for self-driving cars.