In 1989, CITES Instituted a Ban on Trade in African

In 1989, CITES instituted a ban on trade in African elephant ivory but reversed the ban in several African countries in 2008.The main reason for reversing the ban was that

A) African elephants were no longer endangered.
B) the demand for ivory was so great that profit won over conservation.
C) elephant populations were too high in some countries, though endangered in others.
D) it was considered the best way to raise funds for elephant conservation.
E) elephant poaching was no longer a problem, so ivory sales did not endanger elephants.