Prosimians includes

Options

A. Lemur
B. Tarsier
C. New World Monkey
D. Both A and B.

Explanation

### Step-by-Step Solution:

1. **Understanding Prosimians**:
- Prosimians are a group of primates that include both living and extinct species. They are considered to be more primitive compared to other primates.

2. **Identifying Types of Prosimians**:
- The main types of prosimians include lemurs, lorises, and tarsiers.
- Lemurs are primarily found in Madagascar, while tarsiers are found in Southeast Asia.

3. **Analyzing the Options**:
- The options given are:
- A) Nemo
- B) Tarsier
- C) New World Monkey
- D) Both A and B
- From the options, "Nemo" does not relate to any known primate group, while "New World Monkey" refers to a different category of primates (simians).

4. **Conclusion**:
- Since Tarsier is a recognized prosimian, and considering that "Nemo" is not a valid option in this context, the correct answer is that prosimians include Tarsiers.
- Therefore, the correct answer is **B) Tarsier**.