Which of the following statements about the Loch Ness monster is Not true?

A、The Loch Ness monster is a creature that possibly exists in a lake in Scotland.;

B、The Loch Ness monster is also called Nessie.;

C、Some people believe that Nessie is a dinosaur that survived extinction.;

D、The legend of Nessie is mostly supported by eyewitness stories, and proof has been found to show that Nessie really exists.