Man: Machine :: Master : ?

Options

A. Worker
B. Manager
C. House
D. Slave

Explanation

To solve the analogy "Man: Machine :: Master: ?", we need to understand the relationship between the first pair of words (Man and Machine) and then apply that relationship to find the correct word that completes the second pair (Master and ?).

### Step-by-Step Solution:

1. **Identify the Relationship in the First Pair**:
- The first pair is "Man: Machine".
- A man operates or controls a machine. The machine is a tool that assists the man in performing tasks.

2. **Apply the Same Relationship to the Second Pair**:
- The second pair is "Master: ?".
- A master typically has control or authority over something or someone.

3. **Determine the Correct Term for the Question Mark**:
- In this context, the term that fits the relationship is "Slave".
- A slave works under the authority or instruction of a master, just as a machine works under the control of a man.

4. **Conclusion**:
- Therefore, the answer to the analogy "Man: Machine :: Master: ?" is "Slave".

### Final Answer:
Master: Slave

---