Which of the following most logically completes the passage below?

Heavy rains during Centralia's corn planting season prevented some farmers there from planting corn. It is now the planting season for soybeans, another of Centralia's principal crops, and those fields originally intended for corn are dry enough for planting. Nonetheless, even though soybean prices are unusually high at present, the farmers will leave most of these fields empty rather than plant them with soybeans, since________.

• Athe extensive rains have led to an increase in the price of corn  
• Bsome Centralian farmers anticipate serious financial losses due to the extremely wet spring planting season  
• Cchemicals that were used to prepare the fields for corn planting would stunt the growth of soybeans  
• Dthe majority of Centralia's corn farmers were able to plant corn as they had intended, despite the wet planting season  
• Emany Centralian farmers grow both corn and soybeans