Match the following.

List-I (Organs)	List-II (Changes)
a. Eyes	1. Never cell decreases
b. Ears	2. Lens stiffen
c. Brain	3. Blood filteration is slow
d. Heart	4. Presbycusis

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

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

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

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

Answer: Option A