The author states that sugar beets have advantages over sugarcane. Based on the text, the main advantage is that sugar beets A) are easier to harvest. B can grow in more places. C are beneficial to other vegetables. D) can be processed at the field.

Sugar beets have the significant advantage of being able to grow in a wider variety of climates and soils than sugarcane, which means they can be cultivated in many regions where sugarcane isn't feasible. This adaptability makes sugar beets a more versatile crop for sugar production around the world. Another notable benefit of sugar beets is that they can be processed directly at the field, allowing for fresher sugars with less transportation hassle. This on-site processing minimizes sugar loss and allows for a more efficient production chain, making it a practical choice for many farmers.