Passage Three

Which of the following statements is NOT true according to the passage

A．Over 30 oil workers have been kidnapped this year in the Niger Delta region.

B．A group calling itself the Movement for the Niger Delta People has claimed responsibility for the current reported kidnapping.

C．The last kidnapping occurred last week when a German oil worker was taken away.

D．Nigeria produces the most crude oil in Africa.

汽车拖带挂车时，要严格执行预热升温，低挡走热，行驶途中保持正常温度，以减小机械磨损。