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

List-I	List-II
a. Gravelly soil	1. Soil contains large particles of rocks together with sand and silt
b. Silt soil	2. Soil directly derived from limestones
c. Loam soil	3. Soil is practically intermediate between sandy and clay soils
d. Calcareous soil	4. Soil composed of sand, silt and clay particles of different sizes in more or less equal proportions

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

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

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

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

Answer: Option B