In the following paragraph, letters (A), (B), (C), (D), (E), and (F) indicate blanks where appropriate words need to be filled. Choose the most suitab...

In the following paragraph, letters (A), (B), (C), (D), (E), and (F) indicate blanks where appropriate words need to be filled. Choose the most suitable word for the blank marked (D): The cultivation and production of crops have evolved significantly over time, (A) by changing agricultural practices, economic demands, and dietary preferences. Historically, crops like barley and millets were widely grown as staple foods. (B), with advancements in irrigation techniques, fertilizers, and improved seed varieties, the production of high-yield crops such as rice and wheat increased steadily. These grains became more (C) in the market due to their higher productivity, better market value, and suitability for large-scale farming. As a result, millet cultivation gradually declined despite its nutritional benefits and (D) in arid conditions. Nevertheless, barley and millets continue to be cultivated in several regions, especially in areas where traditional farming practices persist. Moreover, growing awareness about healthy eating has led to (E) interest in these grains. Millets, in particular, are recognized for their rich fibre, vitamins, and minerals, making them popular choices for people seeking balanced diets. They (F) as porridge, added to salads, or used in various traditional dishes, ensuring they remain valuable components of diverse diets worldwide. Which of the following words best fits in the blank (D)?