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

List-I (Disease)	List-II (Causes)
a. Khaira	1. Vitamin C deficiency
b. Anaemia	2. Iodine deficiency
c. Goitre	3. Iron deficiency
d. Scurvy	4. Zinc deficiency

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

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

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

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

Answer: Option D