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

List-I	List-II
a. Malaria	1. Bone marrow
b. Filaria	2. Brain
c. Encephalitis	3. Muscle
d. Leukaemia	4. Lymph node
	5. Blood cells

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

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

C. a-4, b-3, c-5, d-1

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

Answer: Option B