chinese or oriental Liver Fluke is

Options

A. Opisthorchis sinensis
B. Schistosoma japonium
C. Fasciola gigantica
D. both B and C.

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the scientific name of the Chinese or Oriental liver fluke.

2. **Understand the Options**: The options provided are:
- A) Opisthorhichis sinensis
- B) Schistosoma japonicum
- C) Fasciola gigantica
- D) Both B and C

3. **Analyze the Options**:
- **Option A**: Opisthorhichis sinensis is known to be the Chinese or Oriental liver fluke. It is an endoparasite found in the human liver and is pathogenic.
- **Option B**: Schistosoma japonicum is known as a blood fluke and is not related to the liver fluke.
- **Option C**: Fasciola gigantica is a liver fluke but primarily affects ruminants, not humans.
- **Option D**: This option cannot be correct since neither B nor C is the correct answer.

4. **Select the Correct Answer**: Based on the analysis, the correct answer is **A) Opisthorhichis sinensis**.

5. **Conclusion**: The Chinese or Oriental liver fluke is scientifically named Opisthorhichis sinensis.

---