In this section, you will hear one news report. At the end of the news report, you will hear two questions. Both the news report 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、They knew how to make caves.
B、Their brains were as big as modern people’s.
C、Their brains were less developed.
D、They knew how to hunt animals.