What does the author's word choice most clearly suggest regarding his feelings about automobile use?
A. He uses the words "led to" and "leading to" to show the connection
between related ideas.
B. He uses the words "demand" and "consumed" to show his attitude
that people are aggressive and destructive.
C. He uses the phrase "harmful pollutants" to express his feelings
that people should stop using mass transit.
D. He traces the problems with greenhouse gasses and global
warming to increased use of automobiles.