The common tapewarm infecting human being is

Options

A. tainia solium
B. taenia saginate
C. diphyllobothrium latum
D. t. echinococcus

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the common tapeworm that infects humans. Tapeworms are parasitic flatworms that can live in the intestines of humans and other animals.

2. **Identifying the Options**: The options given are:
- A. Taenia solium
- B. Taenia saginata
- C. Diphyllobothrium latum
- D. Echinococcus

3. **Analyzing Each Option**:
- **A. Taenia solium**: Known as the pork tapeworm, it is a common cause of intestinal infections in humans, leading to a condition called teniasis.
- **B. Taenia saginata**: Known as the beef tapeworm, it also infects humans but is less common than Taenia solium.
- **C. Diphyllobothrium latum**: Known as the fish tapeworm, it can infect humans but is not as commonly encountered as Taenia solium.
- **D. Echinococcus**: This genus includes tapeworms that primarily cause hydatid disease, which is not a common intestinal infection.

4. **Conclusion**: Based on the analysis, the most common tapeworm infecting humans is **A. Taenia solium**.

5. **Final Answer**: The answer to the question is **A. Taenia solium**.

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