Match the following.

List-I	List-II
a. David Easton	1. Communication theory
b. Almond	2. Political development
c. David Apter	3. Structural functional
d. Deutsch	4. System model

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

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

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

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

Answer: Option A