1. C.You think about canceling your insurance and writing a letter of complaint to the Better Business Bureau (局).
    c.你考虑取消你的保险，并写一封投诉信到"服务质量局"。

2. She is tourist guide of a travel bureau.
    她是一家旅游社的导游。

3. On the contrary, officials of another government bureau report, "no reasonable explanation to date has been made for the vanishings."
    与此相反，另一家政府部门的官员报告："迄今为止，还没人对失踪事件做出合理的解释。