Read the paragraph. (1) Beekeepers began reporting devastating bee losses beginning in 2006—sometimes as much as 90 percent of their hives! (2) Most of the bees were gone. (3) This phenomenon is called Colony Collapse Disorder, or CCD. (4) Scientists remain unsure of what causes CCD, but they know that it has happened before. (5) Reports of disappearing bees date from the 1800s.

Which revision would make the paragraph more precise?

A. Sentence 2: Change “were gone” to “had simply vanished.”

B. Sentence 3: Change “phenomenon” to “thing.”

C. Sentence 4: Change “remain” to “continue to be.”

D. Sentence 5: Change “date from” to “come from as far back as.”