Directions: The following question presents a sentence, part of which or all of which is underlined. Beneath the sentence you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

The U.S. Forest Service, then five years old, decided to put out every fire in its domain, and within three decades the agency formulated what it called the 10 A.M. policy, directing that fires be extinguished quicker than they had been in the past.

within three decades the agency formulated what it called the 10 A.M. policy, directing that fires be extinguished quicker than they had been in the past

within three decades the agency has formulated what it called the 10 A.M. policy, directing that fires be extinguished quicker than they had been in the past

within three decades the agency had formulated what it called the 10 A.M. policy, directing that fires be extinguished quicker than they had been in the past

within three decades the agency formulated what it called the 10 A.M. policy, directing that fires be extinguished more quickly than they had been in the past

within three decades the agency has formulated what it called the 10 A.M. policy, directing that fires be extinguished more quickly than they had been in the past