The big farmers with deepest tube wells still have water, but many others face a water crisis.

Options

A. in deep tubewells
B. through deepest tube wells
C. No improvement
D. with deeper tubewells

Answer

D

Explanation

with deeper tubewells. should be used. While making a comparison between two things the comparative degree(-er) is used and not the superlative degree. In this sentence, the comparison is done between two types of farmers. /