Match List-I (Biogeographical regions) with List-II (Locations) and select the correct answer:

List-I	List-II
a. Nearctic	1. Central South of America
b. Palearctic	2. Asia, south of Himalayas
c. Neotropical	3. North America down to the Mexican Plateau
d. Oriental	4. Asia North of the Himalayas, Europe and Africa, North of Sahara Desert

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

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

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

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

Answer: Option D