The Living Coelacanths Discovered Off the Coast of Africa in the Indian

The living coelacanths discovered off the coast of Africa in the Indian Ocean in 1938,and near Indonesia in 1998,proved that it

A) was a modern fish unrelated to fossil coelacanths.
B) was the "missing link" between fish and amphibians.
C) was the link between cartilage and bony fishes.
D) had changed very little and had not gone extinct.
E) had gone extinct and then evolved from other fish still present.