Over-flooding is one of the worst problems in our country. (Positive)
AOver-flooding is worse than any other problem.
BNo other problem in our country is as bad as over-flooding.
CVery few problems in our country are as bad as over-flooding.
DOver-flooding is a very worse problem in our country.
সঠিক উত্তর:C.Very few problems in our country are as bad as over-flooding.

