Verbal Aptitude

Analyze the text: '**The installation of solar irrigation pumps has expanded rapidly across the region.** While this has reduced diesel fuel costs, it has accelerated groundwater depletion because farmers run pumps without marginal expense. Therefore, solar subsidies must be paired with strict volumetric metering.' The boldface statement is:

Options:

• (A) A context-setting factual observation from which the author develops an argument.
• (B) The primary conclusion of the argument.
• (C) A false claim refuted by the author.
• (D) A policy recommendation.