Match List I with List II.

List-I	List-II
a. Tartaric acid	1. Red ants
b. Formic acid	2. Grapes
c. Uric acid	3. Apples
d. Maleic acid	4. Urine of mammals

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

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

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

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

Answer: Option A