Match the following function of an advertising agency with their departments.

List-I (Functions)	List-II (Departments)
a. Preparing an attractive copy for its clients and customers	1. Art Department
b. Preparing layouts and visuals for the clients	2. Research Department
c. Producing final advertisements for the markets	3. Copy Department
d. Carrying out research and applying in different ways	4. Production Department

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

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

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

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

Answer: Option D