In this section, you will hear one passage. At the end of the passage, you will hear four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).A、After the dinosaur died, only its hard parts may become fossils.
B、Plants can’t become fossils.
C、Footprint may become fossils.
D、Fossilization may take millions of years.