Match the methods of dyeing given in List-I with their explanation given in List-II.

List-I	List-II
a. Union dyeing	1. Perforated spools containing yearns are dyed
b. Cross dyeing	2. Textile material is constantly fed in the dye range
c. Batch dyeing	3. Exhaust dyeing
d. Package dyeing	4. 2 or more fibre types are dyed in the same dye bath in the same shade
	5. Dyeing blends in the same dye bath with two or more shades

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

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

C. a-1, b-2, c-3, d-5

D. a-5, b-1, c-2, d-4

Answer: Option A