Which of the following, if true, would most clearly strengthen the assertion in Passage 1 that the fate of chimpanzees living in the wild does not look promising (lines 29－30) ?

A.Wild chimpanzees require a large, contiguous habitat to thrive, but logging reduces their territory.

B.Previous legislative restrictions were symbolic at best, as they outlawed the export of chimpanzees, but did not sufficiently penalize poachers in the past.

C.Poachers sometimes do not sell young chimpanzees to dealers, but in fact sell them at local markets.

D.Recent investment in economic development in certain African countries is expected to increase the standard of living.

E.Increased death rates due to disease in Africa will eventually reverse trends in population growth.