Duck-billed platypus is now confined to

Options

A. India
B. Africa
C. Australia
D. Antarctica

Answer

**Step-by-Step Solution:**

1. **Identify the Subject**: The question is about the habitat of the duck-billed platypus, a unique species of semi-aquatic mammals.

2. **Review the Options**: The options provided are:
- India
- Africa
- Australia
- Antarctica

3. **Evaluate Each Option**:
- **India**: The duck-billed platypus is not found in India. This option is incorrect.
- **Africa**: The duck-billed platypus is not native to Africa. This option is also incorrect.
- **Australia**: The duck-billed platypus is native to Australia. This option is correct.
- **Antarctica**: The duck-billed platypus does not inhabit Antarctica. This option is incorrect.

4. **Conclusion**: Based on the evaluation, the duck-billed platypus is confined to Australia.

5. **Final Answer**: The correct answer is option 3: Australia.