Match List-I with List-II and select the correct answer:

List-I (Theory)	List-II (Thinker)
a. Prescriptivism	1. Rudolf Carnap
b. Descriptivism	2. Butler
c. Non-naturalism	3. RM Hare
d. Emotivism	4. PT Geach

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

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

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

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

Answer: Option A