Based on Acanthostega Fossils,scientists Now Believe the Earliest Tetrapods

Based on Acanthostega fossils,scientists now believe the earliest tetrapods

A) were amphibians that used their limbs to drag themselves over the land from one waterhole to another.
B) were reptiles that resembled crocodiles.
C) were fully terrestrial.
D) were fish that used their limbs to raise themselves out of the water to get gulps of air for oxygen.