How do Western Disturbances specifically influence the agricultural landscape of Bihar during the winter season?

Options:

• A: They provide heavy torrential rains that cause widespread waterlogging in North Bihar, damaging the sugarcane crop.
• B: They bring light to moderate winter showers that are highly beneficial for the tillering and jointing stages of Rabi wheat.
• C: They trigger the early onset of the Southwest Monsoon in Bihar by creating a strong low-pressure zone.
• D: They cause severe frost and cold waves that completely destroy the potato and mustard crops across South Bihar.

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