Match the following columns

Column I	Column II
a. Audio	1. Flash card
b. Visual	2. Radio
c. Audio	3. Drama
d. Audio-visual	4. Tape recorder

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

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

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

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

Answer: Option A