10.4.7 Read again and choose from the sentences A-F the one which fits each gap (1-5). There is one extra sentence. A It was dinosaur blood vessels ... 68 million years old! B He thinks that would be the best lecture he could ever give. C Most scientists believe that it can survive 100,000 years at the most. D This may not seem so impressive, but a series of alterations could result in a completely new kind of dinosaur! E lgnoring what the others said, he carried on with his research. F For this reason, he is also looking at other ways to revive dinosaurs.