After increasing steadily from 1995 to 2000, the percentage of student

I dont know if I can post a VeritasPrep SC, but can someone explain this answer?

After increasing steadily from 1995 to 2000, the percentage of students in urban middle schools suffering from diabetes or being at least 30 pounds overweight decreased the following two years, down to 42.0 percent in 2002 from 43.4 percent in 2001 and 44.7 percent in 2000.

A suffering from diabetes or being at least 30 pounds overweight decreased the following two years, down to 42.0 percent in 2002 from 43.4 percent in 2001 and . Eliminate [Highlighted are redundant]

B suffering from diabetes or weighing at least 30 pounds too much, decreasing in the following two years, falling to 42.0 percent in 2002 from 43.4 percent in 2001 and from
Eliminate [This is superficial parallelism- italicized . The percentage of students is decreasing not the students themselves. Plus redundancy issue-highlighted in red]

C having symptoms of diabetes or being at least 30 pounds overweight decreased the following two years, and fell to 42.0 percent in 2002 from 43.4 percent in 2001 and from Eliminate. Awkward meaning because of "and fell" and redundancy

D who either suffered from diabetes or they weighed at least 30 pounds too much, decreasing the following two years, fell to 42.0 percent in 2002 from 43.4 percent in 2001 and . Eliminate. Reason same as above

E who suffered from diabetes or weighed at least 30 pounds too much decreased the following two years, to 42.0 percent in 2002 from 43.4 percent in 2001 and

I chose A.