(A) India
(B) Thailand
(C) Indonesia
(D) Sri Lanka
Correct Option is: D
A kidney stone the size of a grapefruit, as long as a banana, and as heavy as four hamsters has been removed from a patient in Sri Lanka.
When the kidney stone was removed by Sri Lankan Army physicians, it was 13.372 centimetres (5.26 inches) long and weighed 801 grammes (1.76 pounds).