What are two lines of evidence for a megatsunami hitting the Bahamas?

A  Carved into the rocks were inscriptions of past tsunamis and bat dropping showing the bats could not land under the wave.

B  The waves left the remains of whales high up on the local mountains and ripped vast boulders from off the ocean floor and dropped them on land.

C  Huge waves reshape some of the islands, blasting the chevron shaped ridges. The waves also left the remains of whales high up on the local mountains.

D  Huge waves reshape some of the islands, blasting the chevron shaped ridges. The waves also ripped vast boulders from off the ocean floor and dropped them on land.