Match the following descriptions with correct key terms of professional values of a PRSA member.

List-I (Description)	List-II (Key terms)
a. They serve the public interest by acting as responsibly representatives of the public	1. Loyalty
b. They acquire and responsibly use specialised knowledge and experience	2. Fairness
c. They respect all opinions and support the right of free expression	3. Expertise
d. They are faithful to those, they represent	4. Advocacy

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