Match the following:

List-I	List-II
a. Aristotle	1. Biologist
b. Plato	2. Theory of ideas
c. Descartes	3. Mind and matter
d. Leibniz	4. Monadology

A. a-1, b-2, c-3, d-4

B. a-2, b-3, c-4, d-1

C. a-1, b-4, c-3, d-2

D. a-2, b-4, c-3, d-1

Answer: Option A