Match the following:
| List-I | List-II |
| a. Problem of Induction | 1. Hume |
| b. Immaterialism | 2. Berkeley |
| c. Idea of modes | 3. Locke |
| d. Spinoza | 4. Attributes |
A. a-1, b-2, c-3, d-4
B. a-2, b-3, c-4, d-1
C. a-4, b-3, c-2, d-1
D. a-3, b-2, c-4, d-1
Answer: Option A

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