C选项

问题如下：

Within the transportation sector, advances in artificial intelligence are most likely to result in fewer employment opportunities for:

选项：

A.mechanics.

B.taxi drivers.

C.bulldozer operators.

解释：

Artificial intelligence is suited to structured tasks that can be carried out with minimal human assistance The development of self-driving cars suggests that taxi drivers are most at risk of being displaced because of advances in artificial intelligence Less routine work, such as troubleshooting mechanical problems and operating bulldozers in varied physical environments, is subject to lower displacement risk