Match List I with List II.

List-I (Item)	List-II (Toxic Substance)
a. CFL Lamp	1. Nitrogen oxide
b. Automobile battery	2. Phthalates
c. Polymer	3. Lead
d. Diesel engine	4. Mercury

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

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

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

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

Answer: Option A