Which of the Following Statements Is True

Which of the following statements is true?

A) Tsunamis are only serious threats to low lying coastal areas near an earthquake epicentre because the waves have lost most of their energy after moving across 100 kilometres of open water.
B) Tsunamis lose little of their energy moving long distances through open water, so they can present serious threats to low lying coastal areas, even thousands of kilometres from the location of the initiating earthquake or submarine landslide.
C) Tsunamis only travel short distances so coastal areas have to be close to the epicentre to be in any real danger.
D) Tsunamis stop when they reach a shoreline so people are safe as long as they stay inland.