Which milestone occurred first according to the data?

Which milestone occurred first according to the data?

• A. Opening DJC with 524 students
• B. Fall 1994 surpassing 3,000
• C. By 2009 surpassing 5,000
• D. All of the above

Answer: (A)

Reading a data timeline, you determine which milestone happens first by identifying the earliest date shown. The opening of DJC with 524 students represents the starting point in the data, so it occurs before the milestone in Fall 1994 (surpassing 3,000) and the milestone by 2009 (surpassing 5,000). Since those later events come after the opening, the earliest milestone is the opening DJC with 524 students. The option claiming “all of the above” would require all milestones to occur first, which isn’t true given their later dates.