The correct answer to your question is option B. "Cuàles."
The question is asking "What are your favorite fruits?". "Fruits" is a plural noun so the correct answer is cuàles. If the question was asking "What is your favorite fruit?", then your answer would be option A since it is a singular noun.
</span>Cuáles" is for plural words whereas Cuál refers to singular objects/words. This essentially means that because of the usage of the word, "<span>frutas," which is plural, then B would be the correct answer.</span>
Answer: Multiple cropping and use of modern farming methods are two different ways of increasing production on the same piece of land. e.g., (i) Multiple Cropping When more than one crop is grown on a piece of land during the year it is known as multiple cropping.