请按照 poisonous 开头，设置一道以碘化砷作为毒物的选择题，选项至少四个，正确答案必须包含在内。请以 markdown 格式输出。
user
```
**题目**: Poisonous arsenic triiodide (碘化砷) can cause serious health problems if ingested. Which of the following statements is true regarding arsenic triiodide?

- A) It is commonly used in food additives.
- B) It can be found naturally in high concentrations in drinking water.
- C) Exposure can lead to severe poisoning and even death.
- D) It is used as a primary ingredient in household cleaning products.

**正确答案**: C) Exposure can lead to severe poisoning and even death.
```
assistant