Match the following:
| List-I | List-II |
| a. Pythagoras | 1. Numbers |
| b. Parmenides | 2. Appearance and reality |
| c. Democritus | 3. Perception and thought |
| d. Thales | 4. Water |
A. a-1, b-2, c-3, d-4
B. a-4, b-3, c-2, d-1
C. a-1, b-4, c-3, d-2
D. a-4, b-2, c-3, d-1
Answer: Option A

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