What can be inferred about Gurpreet’s neighbours from the passage about drip irrigation near Bathinda?
Read the passage: Gurpreet farms six acres near Bathinda in Punjab. For years he flooded his fields with water pumped from a tube well, and each year he noticed the pump had to work harder as the water level underground dropped. Three years ago, with the help of a government subsidy, he installed drip irrigation on half his land. Thin pipes now deliver water directly to the roots of his vegetable plants. His electricity costs for pumping on that half have fallen, fewer weeds grow between the rows, and his yields have stayed the same or improved. Several neighbours who once laughed at the black pipes running across his fields have recently visited to ask how the system works.
Correct answer D. They have become interested in drip irrigation after seeing its results.
The neighbours once laughed at the pipes but now visit to ask how the system works, implying that its results changed their attitude and sparked their interest.
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