Questions 22－25Choose the appropriate letters A－D and write them in boxes 22－25 on your an

Questions 22-25

Choose the appropriate letters A-D and write them in boxes 22-25 on your answer sheet.

In 1942 the US anthropology student concluded that the Siriono ______.

A．were unusually aggressive and cruel.

B．had had their way of life destroyed by invaders.

C．were an extremely primitive society.

D．had only recently made permanent settlements.

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