Tsai Lun is famous for inventing

Options

A. Paper
B. Use of tannins
C. Rubber
D. Silk

Answer

**Step-by-Step Solution:**

1. **Identify the Subject of the Question**: The question asks about Tsai Lun and what he is famous for inventing.

2. **Recall Historical Context**: Tsai Lun, also known as Cai Lun, was a Chinese official during the Han Dynasty. He is historically recognized for his contributions to the development of paper.

3. **Understand the Invention**: Tsai Lun is credited with enhancing the technology of paper production. He created paper from plant fibers, particularly from bamboo and other materials.

4. **Evaluate the Options Given**:
- **First Option: Paper** - This is the correct answer, as Tsai Lun is indeed famous for inventing paper.
- **Second Option: Use of Tannins** - This is incorrect; the use of tannins was discovered by chemist Henry Brackeen.
- **Third Option: Rubber** - This is also incorrect; Charles Goodyear is known for his work with rubber.
- **Fourth Option: Silk** - This option is incorrect as well; the discovery of silk is attributed to Empress His Ling.

5. **Conclude the Answer**: Based on the evaluation of the options, the correct answer is that Tsai Lun is famous for inventing paper.

**Final Answer**: Tsai Lun is famous for inventing paper.

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