TOEFL Listening: TPO-TOEFL阅读TPO - NO48GS8N9Y4T152ZN$

What can be inferred from paragraph 2 about forest-fire suppression before 1900? A. It was more effective than afterward because there were fewer fires to suppress in most regions. B. There was no official program of forest-fire suppression in the United States. C. Forest-fire suppression was practiced more for the purpose of protecting homes than for protecting forests. D. The Forest Service had rules to control forest fires, but the rules were ignored.