题目选项分析

The performance of the latest generation of ground-based telescopes exceeds that of existing orbiting observatories. Since ground-based telescopes are also cheaper to build than ones that must be launched into space, scientists should end their plans to develop new orbiting observatories.

Which of the following is most like the argument above in structure?

【选项】Recent advances in engine technology have reduced the emissions of gasoline engines to the point that they are only slightly greater than an electric car. Therefore the expensive research into electric vehicle technologies is not cost effective and should be stopped.