Match the following columns

Column I (Approach)	Column II (Technique)
a. Mass	1. Exhibition
b. Individual	2. Farm visit
c. Group	3. Model
d. Mass	4. Newspaper

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

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

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

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

Answer: Option B