题目内容：
根据以下材料，回答题。
The phrase "this death chemical" in paragraph 3 refers to
A. the chemical that contains poison.
B. the chemical that announces death.
C. the chemical that prevents death.
D. the chemical that causes death.
参考答案：
答案解析：
单选题：根据以下材料，回答题。The phrase "this death chemical" in paragraph 3 r
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- 题目类型：单选题
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The phrase "this death chemical" in paragraph 3 refers to
A. the chemical that contains poison.
B. the chemical that announces death.
C. the chemical that prevents death.
D. the chemical that causes death.